420947280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 400

約数和(自身を含む): 1663643520

約数和(自身を除く): 1242696240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 65, 72, 76, 78, 80, 81, 90, 95, 104, 108, 114, 117, 120, 130, 135, 144, 152, 156, 162, 171, 180, 190, 195, 208, 216, 228, 234, 240, 247, 260, 263, 270, 285, 304, 312, 324, 342, 351, 360, 380, 390, 405, 432, 456, 468, 494, 513, 520, 526, 540, 570, 585, 624, 648, 684, 702, 720, 741, 760, 780, 789, 810, 855, 912, 936, 988, 1026, 1040, 1052, 1053, 1080, 1140, 1170, 1235, 1296, 1315, 1368, 1404, 1482, 1520, 1539, 1560, 1578, 1620, 1710, 1755, 1872, 1976, 2052, 2104, 2106, 2160, 2223, 2280, 2340, 2367, 2470, 2565, 2630, 2736, 2808, 2964, 3078, 3120, 3156, 3240, 3419, 3420, 3510, 3705, 3945, 3952, 4104, 4208, 4212, 4446, 4560, 4680, 4734, 4940, 4997, 5130, 5260, 5265, 5616, 5928, 6156, 6312, 6480, 6669, 6838, 6840, 7020, 7101, 7410, 7695, 7890, 8208, 8424, 8892, 9360, 9468, 9880, 9994, 10257, 10260, 10520, 10530, 11115, 11835, 11856, 12312, 12624, 13338, 13676, 13680, 14040, 14202, 14820, 14991, 15390, 15780, 16848, 17095, 17784, 18936, 19760, 19988, 20007, 20514, 20520, 21040, 21060, 21303, 22230, 23670, 24624, 24985, 26676, 27352, 28080, 28404, 29640, 29982, 30771, 30780, 31560, 33345, 34190, 35505, 35568, 37872, 39976, 40014, 41028, 41040, 42120, 42606, 44460, 44973, 47340, 49970, 51285, 53352, 54704, 56808, 59280, 59964, 61542, 61560, 63120, 64961, 66690, 68380, 71010, 74955, 79952, 80028, 82056, 84240, 85212, 88920, 89946, 92313, 94680, 99940, 100035, 102570, 106515, 106704, 113616, 119928, 123084, 123120, 129922, 133380, 134919, 136760, 142020, 149910, 153855, 160056, 164112, 170424, 177840, 179892, 184626, 189360, 194883, 199880, 200070, 205140, 213030, 224865, 239856, 246168, 259844, 266760, 269838, 273520, 276939, 284040, 299820, 307710, 320112, 324805, 340848, 359784, 369252, 389766, 399760, 400140, 404757, 410280, 426060, 449730, 461565, 492336, 519688, 533520, 539676, 553878, 568080, 584649, 599640, 615420, 649610, 674595, 719568, 738504, 779532, 800280, 809514, 820560, 852120, 899460, 923130, 974415, 1039376, 1079352, 1107756, 1169298, 1199280, 1230840, 1299220, 1349190, 1384695, 1477008, 1559064, 1600560, 1619028, 1704240, 1753947, 1798920, 1846260, 1948830, 2023785, 2158704, 2215512, 2338596, 2461680, 2598440, 2698380, 2769390, 2923245, 3118128, 3238056, 3507894, 3597840, 3692520, 3897660, 4047570, 4431024, 4677192, 5196880, 5261841, 5396760, 5538780, 5846490, 6476112, 7015788, 7385040, 7795320, 8095140, 8769735, 9354384, 10523682, 10793520, 11077560, 11692980, 14031576, 15590640, 16190280, 17539470, 21047364, 22155120, 23385960, 26309205, 28063152, 32380560, 35078940, 42094728, 46771920, 52618410, 70157880, 84189456, 105236820, 140315760, 210473640, 420947280]

約数ペア:

[(1, 420947280), (2, 210473640), (3, 140315760), (4, 105236820), (5, 84189456), (6, 70157880), (8, 52618410), (9, 46771920), (10, 42094728), (12, 35078940), (13, 32380560), (15, 28063152), (16, 26309205), (18, 23385960), (19, 22155120), (20, 21047364), (24, 17539470), (26, 16190280), (27, 15590640), (30, 14031576), (36, 11692980), (38, 11077560), (39, 10793520), (40, 10523682), (45, 9354384), (48, 8769735), (52, 8095140), (54, 7795320), (57, 7385040), (60, 7015788), (65, 6476112), (72, 5846490), (76, 5538780), (78, 5396760), (80, 5261841), (81, 5196880), (90, 4677192), (95, 4431024), (104, 4047570), (108, 3897660), (114, 3692520), (117, 3597840), (120, 3507894), (130, 3238056), (135, 3118128), (144, 2923245), (152, 2769390), (156, 2698380), (162, 2598440), (171, 2461680), (180, 2338596), (190, 2215512), (195, 2158704), (208, 2023785), (216, 1948830), (228, 1846260), (234, 1798920), (240, 1753947), (247, 1704240), (260, 1619028), (263, 1600560), (270, 1559064), (285, 1477008), (304, 1384695), (312, 1349190), (324, 1299220), (342, 1230840), (351, 1199280), (360, 1169298), (380, 1107756), (390, 1079352), (405, 1039376), (432, 974415), (456, 923130), (468, 899460), (494, 852120), (513, 820560), (520, 809514), (526, 800280), (540, 779532), (570, 738504), (585, 719568), (624, 674595), (648, 649610), (684, 615420), (702, 599640), (720, 584649), (741, 568080), (760, 553878), (780, 539676), (789, 533520), (810, 519688), (855, 492336), (912, 461565), (936, 449730), (988, 426060), (1026, 410280), (1040, 404757), (1052, 400140), (1053, 399760), (1080, 389766), (1140, 369252), (1170, 359784), (1235, 340848), (1296, 324805), (1315, 320112), (1368, 307710), (1404, 299820), (1482, 284040), (1520, 276939), (1539, 273520), (1560, 269838), (1578, 266760), (1620, 259844), (1710, 246168), (1755, 239856), (1872, 224865), (1976, 213030), (2052, 205140), (2104, 200070), (2106, 199880), (2160, 194883), (2223, 189360), (2280, 184626), (2340, 179892), (2367, 177840), (2470, 170424), (2565, 164112), (2630, 160056), (2736, 153855), (2808, 149910), (2964, 142020), (3078, 136760), (3120, 134919), (3156, 133380), (3240, 129922), (3419, 123120), (3420, 123084), (3510, 119928), (3705, 113616), (3945, 106704), (3952, 106515), (4104, 102570), (4208, 100035), (4212, 99940), (4446, 94680), (4560, 92313), (4680, 89946), (4734, 88920), (4940, 85212), (4997, 84240), (5130, 82056), (5260, 80028), (5265, 79952), (5616, 74955), (5928, 71010), (6156, 68380), (6312, 66690), (6480, 64961), (6669, 63120), (6838, 61560), (6840, 61542), (7020, 59964), (7101, 59280), (7410, 56808), (7695, 54704), (7890, 53352), (8208, 51285), (8424, 49970), (8892, 47340), (9360, 44973), (9468, 44460), (9880, 42606), (9994, 42120), (10257, 41040), (10260, 41028), (10520, 40014), (10530, 39976), (11115, 37872), (11835, 35568), (11856, 35505), (12312, 34190), (12624, 33345), (13338, 31560), (13676, 30780), (13680, 30771), (14040, 29982), (14202, 29640), (14820, 28404), (14991, 28080), (15390, 27352), (15780, 26676), (16848, 24985), (17095, 24624), (17784, 23670), (18936, 22230), (19760, 21303), (19988, 21060), (20007, 21040), (20514, 20520)]