71531880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 263208960

約数和(自身を除く): 191677080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 41, 42, 56, 60, 62, 67, 70, 82, 84, 93, 105, 120, 123, 124, 134, 140, 155, 164, 168, 186, 201, 205, 210, 217, 246, 248, 268, 280, 287, 310, 328, 335, 372, 402, 410, 420, 434, 465, 469, 492, 536, 574, 615, 620, 651, 670, 744, 804, 820, 840, 861, 868, 930, 938, 984, 1005, 1085, 1148, 1230, 1240, 1271, 1302, 1340, 1407, 1435, 1608, 1640, 1722, 1736, 1860, 1876, 2010, 2077, 2170, 2296, 2345, 2460, 2542, 2604, 2680, 2747, 2814, 2870, 3255, 3444, 3720, 3752, 3813, 4020, 4154, 4305, 4340, 4690, 4920, 5084, 5208, 5494, 5628, 5740, 6231, 6355, 6510, 6888, 7035, 7626, 8040, 8241, 8308, 8610, 8680, 8897, 9380, 10168, 10385, 10988, 11256, 11480, 12462, 12710, 13020, 13735, 14070, 14539, 15252, 16482, 16616, 17220, 17794, 18760, 19065, 19229, 20770, 21976, 24924, 25420, 26040, 26691, 27470, 28140, 29078, 30504, 31155, 32964, 34440, 35588, 38130, 38458, 41205, 41540, 43617, 44485, 49848, 50840, 53382, 54940, 56280, 57687, 58156, 62310, 65928, 71176, 72695, 76260, 76916, 82410, 83080, 85157, 87234, 88970, 96145, 106764, 109880, 115374, 116312, 124620, 133455, 145390, 152520, 153832, 164820, 170314, 174468, 177940, 192290, 213528, 218085, 230748, 249240, 255471, 266910, 288435, 290780, 329640, 340628, 348936, 355880, 384580, 425785, 436170, 461496, 510942, 533820, 576870, 581560, 596099, 681256, 769160, 851570, 872340, 1021884, 1067640, 1153740, 1192198, 1277355, 1703140, 1744680, 1788297, 2043768, 2307480, 2384396, 2554710, 2980495, 3406280, 3576594, 4768792, 5109420, 5960990, 7153188, 8941485, 10218840, 11921980, 14306376, 17882970, 23843960, 35765940, 71531880]

約数ペア:

[(1, 71531880), (2, 35765940), (3, 23843960), (4, 17882970), (5, 14306376), (6, 11921980), (7, 10218840), (8, 8941485), (10, 7153188), (12, 5960990), (14, 5109420), (15, 4768792), (20, 3576594), (21, 3406280), (24, 2980495), (28, 2554710), (30, 2384396), (31, 2307480), (35, 2043768), (40, 1788297), (41, 1744680), (42, 1703140), (56, 1277355), (60, 1192198), (62, 1153740), (67, 1067640), (70, 1021884), (82, 872340), (84, 851570), (93, 769160), (105, 681256), (120, 596099), (123, 581560), (124, 576870), (134, 533820), (140, 510942), (155, 461496), (164, 436170), (168, 425785), (186, 384580), (201, 355880), (205, 348936), (210, 340628), (217, 329640), (246, 290780), (248, 288435), (268, 266910), (280, 255471), (287, 249240), (310, 230748), (328, 218085), (335, 213528), (372, 192290), (402, 177940), (410, 174468), (420, 170314), (434, 164820), (465, 153832), (469, 152520), (492, 145390), (536, 133455), (574, 124620), (615, 116312), (620, 115374), (651, 109880), (670, 106764), (744, 96145), (804, 88970), (820, 87234), (840, 85157), (861, 83080), (868, 82410), (930, 76916), (938, 76260), (984, 72695), (1005, 71176), (1085, 65928), (1148, 62310), (1230, 58156), (1240, 57687), (1271, 56280), (1302, 54940), (1340, 53382), (1407, 50840), (1435, 49848), (1608, 44485), (1640, 43617), (1722, 41540), (1736, 41205), (1860, 38458), (1876, 38130), (2010, 35588), (2077, 34440), (2170, 32964), (2296, 31155), (2345, 30504), (2460, 29078), (2542, 28140), (2604, 27470), (2680, 26691), (2747, 26040), (2814, 25420), (2870, 24924), (3255, 21976), (3444, 20770), (3720, 19229), (3752, 19065), (3813, 18760), (4020, 17794), (4154, 17220), (4305, 16616), (4340, 16482), (4690, 15252), (4920, 14539), (5084, 14070), (5208, 13735), (5494, 13020), (5628, 12710), (5740, 12462), (6231, 11480), (6355, 11256), (6510, 10988), (6888, 10385), (7035, 10168), (7626, 9380), (8040, 8897), (8241, 8680), (8308, 8610)]