79879920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 160

約数和(自身を含む): 267840000

約数和(自身を除く): 187960080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 40, 46, 48, 58, 60, 69, 80, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 240, 276, 290, 345, 348, 368, 435, 460, 464, 499, 552, 580, 667, 690, 696, 870, 920, 998, 1104, 1160, 1334, 1380, 1392, 1497, 1740, 1840, 1996, 2001, 2320, 2495, 2668, 2760, 2994, 3335, 3480, 3992, 4002, 4990, 5336, 5520, 5988, 6670, 6960, 7485, 7984, 8004, 9980, 10005, 10672, 11477, 11976, 13340, 14471, 14970, 16008, 19960, 20010, 22954, 23952, 26680, 28942, 29940, 32016, 34431, 39920, 40020, 43413, 45908, 53360, 57385, 57884, 59880, 68862, 72355, 80040, 86826, 91816, 114770, 115768, 119760, 137724, 144710, 160080, 172155, 173652, 183632, 217065, 229540, 231536, 275448, 289420, 332833, 344310, 347304, 434130, 459080, 550896, 578840, 665666, 688620, 694608, 868260, 918160, 998499, 1157680, 1331332, 1377240, 1664165, 1736520, 1996998, 2662664, 2754480, 3328330, 3473040, 3993996, 4992495, 5325328, 6656660, 7987992, 9984990, 13313320, 15975984, 19969980, 26626640, 39939960, 79879920]

約数ペア:

[(1, 79879920), (2, 39939960), (3, 26626640), (4, 19969980), (5, 15975984), (6, 13313320), (8, 9984990), (10, 7987992), (12, 6656660), (15, 5325328), (16, 4992495), (20, 3993996), (23, 3473040), (24, 3328330), (29, 2754480), (30, 2662664), (40, 1996998), (46, 1736520), (48, 1664165), (58, 1377240), (60, 1331332), (69, 1157680), (80, 998499), (87, 918160), (92, 868260), (115, 694608), (116, 688620), (120, 665666), (138, 578840), (145, 550896), (174, 459080), (184, 434130), (230, 347304), (232, 344310), (240, 332833), (276, 289420), (290, 275448), (345, 231536), (348, 229540), (368, 217065), (435, 183632), (460, 173652), (464, 172155), (499, 160080), (552, 144710), (580, 137724), (667, 119760), (690, 115768), (696, 114770), (870, 91816), (920, 86826), (998, 80040), (1104, 72355), (1160, 68862), (1334, 59880), (1380, 57884), (1392, 57385), (1497, 53360), (1740, 45908), (1840, 43413), (1996, 40020), (2001, 39920), (2320, 34431), (2495, 32016), (2668, 29940), (2760, 28942), (2994, 26680), (3335, 23952), (3480, 22954), (3992, 20010), (4002, 19960), (4990, 16008), (5336, 14970), (5520, 14471), (5988, 13340), (6670, 11976), (6960, 11477), (7485, 10672), (7984, 10005), (8004, 9980)]