1991404440

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 384

約数和(自身を含む): 7264857600

約数和(自身を除く): 5273453160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 41, 45, 54, 57, 60, 72, 76, 81, 82, 90, 95, 108, 114, 120, 123, 135, 152, 162, 164, 171, 180, 190, 205, 216, 228, 243, 246, 263, 270, 285, 324, 328, 342, 360, 369, 380, 405, 410, 456, 486, 492, 513, 526, 540, 570, 615, 648, 684, 738, 760, 779, 789, 810, 820, 855, 972, 984, 1026, 1052, 1080, 1107, 1140, 1215, 1230, 1315, 1368, 1476, 1539, 1558, 1578, 1620, 1640, 1710, 1845, 1944, 2052, 2104, 2214, 2280, 2337, 2367, 2430, 2460, 2565, 2630, 2952, 3078, 3116, 3156, 3240, 3321, 3420, 3690, 3895, 3945, 4104, 4428, 4617, 4674, 4734, 4860, 4920, 4997, 5130, 5260, 5535, 6156, 6232, 6312, 6642, 6840, 7011, 7101, 7380, 7695, 7790, 7890, 8856, 9234, 9348, 9468, 9720, 9963, 9994, 10260, 10520, 10783, 11070, 11685, 11835, 12312, 13284, 14022, 14202, 14760, 14991, 15390, 15580, 15780, 16605, 18468, 18696, 18936, 19926, 19988, 20520, 21033, 21303, 21566, 22140, 23085, 23370, 23670, 24985, 26568, 28044, 28404, 29982, 30780, 31160, 31560, 32349, 33210, 35055, 35505, 36936, 39852, 39976, 42066, 42606, 43132, 44280, 44973, 46170, 46740, 47340, 49815, 49970, 53915, 56088, 56808, 59964, 61560, 63099, 63909, 64698, 66420, 70110, 71010, 74955, 79704, 84132, 85212, 86264, 89946, 92340, 93480, 94680, 97047, 99630, 99940, 105165, 106515, 107830, 119928, 126198, 127818, 129396, 132840, 134919, 140220, 142020, 149910, 161745, 168264, 170424, 179892, 184680, 189297, 194094, 199260, 199880, 204877, 210330, 213030, 215660, 224865, 252396, 255636, 258792, 269838, 280440, 284040, 291141, 299820, 315495, 319545, 323490, 359784, 378594, 388188, 398520, 404757, 409754, 420660, 426060, 431320, 449730, 485235, 504792, 511272, 539676, 582282, 599640, 614631, 630990, 639090, 646980, 674595, 757188, 776376, 809514, 819508, 841320, 852120, 873423, 899460, 946485, 970470, 1024385, 1079352, 1164564, 1214271, 1229262, 1261980, 1278180, 1293960, 1349190, 1455705, 1514376, 1619028, 1639016, 1746846, 1798920, 1843893, 1892970, 1940940, 2023785, 2048770, 2329128, 2428542, 2458524, 2523960, 2556360, 2620269, 2698380, 2911410, 3073155, 3238056, 3493692, 3687786, 3785940, 3881880, 4047570, 4097540, 4367115, 4857084, 4917048, 5240538, 5396760, 5531679, 5822820, 6071355, 6146310, 6987384, 7375572, 7571880, 8095140, 8195080, 8734230, 9219465, 9714168, 10481076, 11063358, 11645640, 12142710, 12292620, 13101345, 14751144, 16190280, 16595037, 17468460, 18438930, 20962152, 22126716, 24285420, 24585240, 26202690, 27658395, 33190074, 34936920, 36877860, 44253432, 48570840, 49785111, 52405380, 55316790, 66380148, 73755720, 82975185, 99570222, 104810760, 110633580, 132760296, 165950370, 199140444, 221267160, 248925555, 331900740, 398280888, 497851110, 663801480, 995702220, 1991404440]

約数ペア:

[(1, 1991404440), (2, 995702220), (3, 663801480), (4, 497851110), (5, 398280888), (6, 331900740), (8, 248925555), (9, 221267160), (10, 199140444), (12, 165950370), (15, 132760296), (18, 110633580), (19, 104810760), (20, 99570222), (24, 82975185), (27, 73755720), (30, 66380148), (36, 55316790), (38, 52405380), (40, 49785111), (41, 48570840), (45, 44253432), (54, 36877860), (57, 34936920), (60, 33190074), (72, 27658395), (76, 26202690), (81, 24585240), (82, 24285420), (90, 22126716), (95, 20962152), (108, 18438930), (114, 17468460), (120, 16595037), (123, 16190280), (135, 14751144), (152, 13101345), (162, 12292620), (164, 12142710), (171, 11645640), (180, 11063358), (190, 10481076), (205, 9714168), (216, 9219465), (228, 8734230), (243, 8195080), (246, 8095140), (263, 7571880), (270, 7375572), (285, 6987384), (324, 6146310), (328, 6071355), (342, 5822820), (360, 5531679), (369, 5396760), (380, 5240538), (405, 4917048), (410, 4857084), (456, 4367115), (486, 4097540), (492, 4047570), (513, 3881880), (526, 3785940), (540, 3687786), (570, 3493692), (615, 3238056), (648, 3073155), (684, 2911410), (738, 2698380), (760, 2620269), (779, 2556360), (789, 2523960), (810, 2458524), (820, 2428542), (855, 2329128), (972, 2048770), (984, 2023785), (1026, 1940940), (1052, 1892970), (1080, 1843893), (1107, 1798920), (1140, 1746846), (1215, 1639016), (1230, 1619028), (1315, 1514376), (1368, 1455705), (1476, 1349190), (1539, 1293960), (1558, 1278180), (1578, 1261980), (1620, 1229262), (1640, 1214271), (1710, 1164564), (1845, 1079352), (1944, 1024385), (2052, 970470), (2104, 946485), (2214, 899460), (2280, 873423), (2337, 852120), (2367, 841320), (2430, 819508), (2460, 809514), (2565, 776376), (2630, 757188), (2952, 674595), (3078, 646980), (3116, 639090), (3156, 630990), (3240, 614631), (3321, 599640), (3420, 582282), (3690, 539676), (3895, 511272), (3945, 504792), (4104, 485235), (4428, 449730), (4617, 431320), (4674, 426060), (4734, 420660), (4860, 409754), (4920, 404757), (4997, 398520), (5130, 388188), (5260, 378594), (5535, 359784), (6156, 323490), (6232, 319545), (6312, 315495), (6642, 299820), (6840, 291141), (7011, 284040), (7101, 280440), (7380, 269838), (7695, 258792), (7790, 255636), (7890, 252396), (8856, 224865), (9234, 215660), (9348, 213030), (9468, 210330), (9720, 204877), (9963, 199880), (9994, 199260), (10260, 194094), (10520, 189297), (10783, 184680), (11070, 179892), (11685, 170424), (11835, 168264), (12312, 161745), (13284, 149910), (14022, 142020), (14202, 140220), (14760, 134919), (14991, 132840), (15390, 129396), (15580, 127818), (15780, 126198), (16605, 119928), (18468, 107830), (18696, 106515), (18936, 105165), (19926, 99940), (19988, 99630), (20520, 97047), (21033, 94680), (21303, 93480), (21566, 92340), (22140, 89946), (23085, 86264), (23370, 85212), (23670, 84132), (24985, 79704), (26568, 74955), (28044, 71010), (28404, 70110), (29982, 66420), (30780, 64698), (31160, 63909), (31560, 63099), (32349, 61560), (33210, 59964), (35055, 56808), (35505, 56088), (36936, 53915), (39852, 49970), (39976, 49815), (42066, 47340), (42606, 46740), (43132, 46170), (44280, 44973)]