80788760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 225309600

約数和(自身を除く): 144520840

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 37, 38, 40, 52, 65, 68, 74, 76, 85, 95, 104, 130, 136, 148, 152, 169, 170, 185, 190, 221, 247, 260, 296, 323, 338, 340, 370, 380, 442, 481, 494, 520, 629, 646, 676, 680, 703, 740, 760, 845, 884, 962, 988, 1105, 1235, 1258, 1292, 1352, 1406, 1480, 1615, 1690, 1768, 1924, 1976, 2210, 2405, 2470, 2516, 2584, 2812, 2873, 3145, 3211, 3230, 3380, 3515, 3848, 4199, 4420, 4810, 4940, 5032, 5624, 5746, 6253, 6290, 6422, 6460, 6760, 7030, 8177, 8398, 8840, 9139, 9620, 9880, 11492, 11951, 12506, 12580, 12844, 12920, 14060, 14365, 16055, 16354, 16796, 18278, 19240, 20995, 22984, 23902, 25012, 25160, 25688, 28120, 28730, 31265, 32110, 32708, 33592, 36556, 40885, 41990, 45695, 47804, 50024, 54587, 57460, 59755, 62530, 64220, 65416, 73112, 81770, 83980, 91390, 95608, 106301, 109174, 114920, 118807, 119510, 125060, 128440, 155363, 163540, 167960, 182780, 212602, 218348, 237614, 239020, 250120, 272935, 310726, 327080, 365560, 425204, 436696, 475228, 478040, 531505, 545870, 594035, 621452, 776815, 850408, 950456, 1063010, 1091740, 1188070, 1242904, 1553630, 2019719, 2126020, 2183480, 2376140, 3107260, 4039438, 4252040, 4752280, 6214520, 8078876, 10098595, 16157752, 20197190, 40394380, 80788760]

約数ペア:

[(1, 80788760), (2, 40394380), (4, 20197190), (5, 16157752), (8, 10098595), (10, 8078876), (13, 6214520), (17, 4752280), (19, 4252040), (20, 4039438), (26, 3107260), (34, 2376140), (37, 2183480), (38, 2126020), (40, 2019719), (52, 1553630), (65, 1242904), (68, 1188070), (74, 1091740), (76, 1063010), (85, 950456), (95, 850408), (104, 776815), (130, 621452), (136, 594035), (148, 545870), (152, 531505), (169, 478040), (170, 475228), (185, 436696), (190, 425204), (221, 365560), (247, 327080), (260, 310726), (296, 272935), (323, 250120), (338, 239020), (340, 237614), (370, 218348), (380, 212602), (442, 182780), (481, 167960), (494, 163540), (520, 155363), (629, 128440), (646, 125060), (676, 119510), (680, 118807), (703, 114920), (740, 109174), (760, 106301), (845, 95608), (884, 91390), (962, 83980), (988, 81770), (1105, 73112), (1235, 65416), (1258, 64220), (1292, 62530), (1352, 59755), (1406, 57460), (1480, 54587), (1615, 50024), (1690, 47804), (1768, 45695), (1924, 41990), (1976, 40885), (2210, 36556), (2405, 33592), (2470, 32708), (2516, 32110), (2584, 31265), (2812, 28730), (2873, 28120), (3145, 25688), (3211, 25160), (3230, 25012), (3380, 23902), (3515, 22984), (3848, 20995), (4199, 19240), (4420, 18278), (4810, 16796), (4940, 16354), (5032, 16055), (5624, 14365), (5746, 14060), (6253, 12920), (6290, 12844), (6422, 12580), (6460, 12506), (6760, 11951), (7030, 11492), (8177, 9880), (8398, 9620), (8840, 9139)]