210555720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 256

約数和(自身を含む): 764928000

約数和(自身を除く): 554372280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 228, 248, 270, 279, 285, 310, 331, 342, 360, 372, 380, 456, 465, 513, 540, 558, 570, 589, 620, 662, 684, 744, 760, 837, 855, 930, 993, 1026, 1080, 1116, 1140, 1178, 1240, 1324, 1368, 1395, 1655, 1674, 1710, 1767, 1860, 1986, 2052, 2232, 2280, 2356, 2565, 2648, 2790, 2945, 2979, 3310, 3348, 3420, 3534, 3720, 3972, 4104, 4185, 4712, 4965, 5130, 5301, 5580, 5890, 5958, 6289, 6620, 6696, 6840, 7068, 7944, 8370, 8835, 8937, 9930, 10260, 10261, 10602, 11160, 11780, 11916, 12578, 13240, 14136, 14895, 15903, 16740, 17670, 17874, 18867, 19860, 20520, 20522, 21204, 23560, 23832, 25156, 26505, 29790, 30783, 31445, 31806, 33480, 35340, 35748, 37734, 39720, 41044, 42408, 44685, 50312, 51305, 53010, 56601, 59580, 61566, 62890, 63612, 70680, 71496, 75468, 79515, 82088, 89370, 92349, 94335, 102610, 106020, 113202, 119160, 123132, 125780, 127224, 150936, 153915, 159030, 169803, 178740, 184698, 188670, 194959, 205220, 212040, 226404, 246264, 251560, 277047, 283005, 307830, 318060, 339606, 357480, 369396, 377340, 389918, 410440, 452808, 461745, 554094, 566010, 584877, 615660, 636120, 679212, 738792, 754680, 779836, 849015, 923490, 974795, 1108188, 1132020, 1169754, 1231320, 1358424, 1385235, 1559672, 1698030, 1754631, 1846980, 1949590, 2216376, 2264040, 2339508, 2770470, 2924385, 3396060, 3509262, 3693960, 3899180, 4679016, 5263893, 5540940, 5848770, 6792120, 7018524, 7798360, 8773155, 10527786, 11081880, 11697540, 14037048, 17546310, 21055572, 23395080, 26319465, 35092620, 42111144, 52638930, 70185240, 105277860, 210555720]

約数ペア:

[(1, 210555720), (2, 105277860), (3, 70185240), (4, 52638930), (5, 42111144), (6, 35092620), (8, 26319465), (9, 23395080), (10, 21055572), (12, 17546310), (15, 14037048), (18, 11697540), (19, 11081880), (20, 10527786), (24, 8773155), (27, 7798360), (30, 7018524), (31, 6792120), (36, 5848770), (38, 5540940), (40, 5263893), (45, 4679016), (54, 3899180), (57, 3693960), (60, 3509262), (62, 3396060), (72, 2924385), (76, 2770470), (90, 2339508), (93, 2264040), (95, 2216376), (108, 1949590), (114, 1846980), (120, 1754631), (124, 1698030), (135, 1559672), (152, 1385235), (155, 1358424), (171, 1231320), (180, 1169754), (186, 1132020), (190, 1108188), (216, 974795), (228, 923490), (248, 849015), (270, 779836), (279, 754680), (285, 738792), (310, 679212), (331, 636120), (342, 615660), (360, 584877), (372, 566010), (380, 554094), (456, 461745), (465, 452808), (513, 410440), (540, 389918), (558, 377340), (570, 369396), (589, 357480), (620, 339606), (662, 318060), (684, 307830), (744, 283005), (760, 277047), (837, 251560), (855, 246264), (930, 226404), (993, 212040), (1026, 205220), (1080, 194959), (1116, 188670), (1140, 184698), (1178, 178740), (1240, 169803), (1324, 159030), (1368, 153915), (1395, 150936), (1655, 127224), (1674, 125780), (1710, 123132), (1767, 119160), (1860, 113202), (1986, 106020), (2052, 102610), (2232, 94335), (2280, 92349), (2356, 89370), (2565, 82088), (2648, 79515), (2790, 75468), (2945, 71496), (2979, 70680), (3310, 63612), (3348, 62890), (3420, 61566), (3534, 59580), (3720, 56601), (3972, 53010), (4104, 51305), (4185, 50312), (4712, 44685), (4965, 42408), (5130, 41044), (5301, 39720), (5580, 37734), (5890, 35748), (5958, 35340), (6289, 33480), (6620, 31806), (6696, 31445), (6840, 30783), (7068, 29790), (7944, 26505), (8370, 25156), (8835, 23832), (8937, 23560), (9930, 21204), (10260, 20522), (10261, 20520), (10602, 19860), (11160, 18867), (11780, 17874), (11916, 17670), (12578, 16740), (13240, 15903), (14136, 14895)]