157959880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 248465720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 205, 239, 248, 260, 310, 328, 403, 410, 478, 520, 533, 620, 806, 820, 956, 1066, 1195, 1240, 1271, 1612, 1640, 1912, 2015, 2132, 2390, 2542, 2665, 3107, 3224, 4030, 4264, 4780, 5084, 5330, 6214, 6355, 7409, 8060, 9560, 9799, 10168, 10660, 12428, 12710, 14818, 15535, 16120, 16523, 19598, 21320, 24856, 25420, 29636, 31070, 33046, 37045, 39196, 48995, 50840, 59272, 62140, 66092, 74090, 78392, 82615, 96317, 97990, 124280, 127387, 132184, 148180, 165230, 192634, 195980, 254774, 296360, 303769, 330460, 385268, 391960, 481585, 509548, 607538, 636935, 660920, 770536, 963170, 1019096, 1215076, 1273870, 1518845, 1926340, 2430152, 2547740, 3037690, 3852680, 3948997, 5095480, 6075380, 7897994, 12150760, 15795988, 19744985, 31591976, 39489970, 78979940, 157959880]

約数ペア:

[(1, 157959880), (2, 78979940), (4, 39489970), (5, 31591976), (8, 19744985), (10, 15795988), (13, 12150760), (20, 7897994), (26, 6075380), (31, 5095480), (40, 3948997), (41, 3852680), (52, 3037690), (62, 2547740), (65, 2430152), (82, 1926340), (104, 1518845), (124, 1273870), (130, 1215076), (155, 1019096), (164, 963170), (205, 770536), (239, 660920), (248, 636935), (260, 607538), (310, 509548), (328, 481585), (403, 391960), (410, 385268), (478, 330460), (520, 303769), (533, 296360), (620, 254774), (806, 195980), (820, 192634), (956, 165230), (1066, 148180), (1195, 132184), (1240, 127387), (1271, 124280), (1612, 97990), (1640, 96317), (1912, 82615), (2015, 78392), (2132, 74090), (2390, 66092), (2542, 62140), (2665, 59272), (3107, 50840), (3224, 48995), (4030, 39196), (4264, 37045), (4780, 33046), (5084, 31070), (5330, 29636), (6214, 25420), (6355, 24856), (7409, 21320), (8060, 19598), (9560, 16523), (9799, 16120), (10168, 15535), (10660, 14818), (12428, 12710)]