71782760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 197683200

約数和(自身を除く): 125900440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 103, 131, 133, 140, 152, 190, 206, 262, 266, 280, 380, 412, 515, 524, 532, 655, 665, 721, 760, 824, 917, 1030, 1048, 1064, 1310, 1330, 1442, 1834, 1957, 2060, 2489, 2620, 2660, 2884, 3605, 3668, 3914, 4120, 4585, 4978, 5240, 5320, 5768, 7210, 7336, 7828, 9170, 9785, 9956, 12445, 13493, 13699, 14420, 15656, 17423, 18340, 19570, 19912, 24890, 26986, 27398, 28840, 34846, 36680, 39140, 49780, 53972, 54796, 67465, 68495, 69692, 78280, 87115, 94451, 99560, 107944, 109592, 134930, 136990, 139384, 174230, 188902, 256367, 269860, 273980, 348460, 377804, 472255, 512734, 539720, 547960, 696920, 755608, 944510, 1025468, 1281835, 1794569, 1889020, 2050936, 2563670, 3589138, 3778040, 5127340, 7178276, 8972845, 10254680, 14356552, 17945690, 35891380, 71782760]

約数ペア:

[(1, 71782760), (2, 35891380), (4, 17945690), (5, 14356552), (7, 10254680), (8, 8972845), (10, 7178276), (14, 5127340), (19, 3778040), (20, 3589138), (28, 2563670), (35, 2050936), (38, 1889020), (40, 1794569), (56, 1281835), (70, 1025468), (76, 944510), (95, 755608), (103, 696920), (131, 547960), (133, 539720), (140, 512734), (152, 472255), (190, 377804), (206, 348460), (262, 273980), (266, 269860), (280, 256367), (380, 188902), (412, 174230), (515, 139384), (524, 136990), (532, 134930), (655, 109592), (665, 107944), (721, 99560), (760, 94451), (824, 87115), (917, 78280), (1030, 69692), (1048, 68495), (1064, 67465), (1310, 54796), (1330, 53972), (1442, 49780), (1834, 39140), (1957, 36680), (2060, 34846), (2489, 28840), (2620, 27398), (2660, 26986), (2884, 24890), (3605, 19912), (3668, 19570), (3914, 18340), (4120, 17423), (4585, 15656), (4978, 14420), (5240, 13699), (5320, 13493), (5768, 12445), (7210, 9956), (7336, 9785), (7828, 9170)]