1870619920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:873

約数の個数: 160

約数和(自身を含む): 4973431680

約数和(自身を除く): 3102811760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 137, 152, 190, 208, 247, 260, 274, 304, 380, 494, 520, 548, 685, 691, 760, 988, 1040, 1096, 1235, 1370, 1382, 1520, 1781, 1976, 2192, 2470, 2603, 2740, 2764, 3455, 3562, 3952, 4940, 5206, 5480, 5528, 6910, 7124, 8905, 8983, 9880, 10412, 10960, 11056, 13015, 13129, 13820, 14248, 17810, 17966, 19760, 20824, 26030, 26258, 27640, 28496, 33839, 35620, 35932, 41648, 44915, 52060, 52516, 55280, 65645, 67678, 71240, 71864, 89830, 94667, 104120, 105032, 131290, 135356, 142480, 143728, 169195, 170677, 179660, 189334, 208240, 210064, 262580, 270712, 338390, 341354, 359320, 378668, 473335, 525160, 541424, 676780, 682708, 718640, 757336, 853385, 946670, 1050320, 1230671, 1353560, 1365416, 1514672, 1706770, 1798673, 1893340, 2461342, 2707120, 2730832, 3413540, 3597346, 3786680, 4922684, 6153355, 6827080, 7194692, 7573360, 8993365, 9845368, 12306710, 13654160, 14389384, 17986730, 19690736, 23382749, 24613420, 28778768, 35973460, 46765498, 49226840, 71946920, 93530996, 98453680, 116913745, 143893840, 187061992, 233827490, 374123984, 467654980, 935309960, 1870619920]

約数ペア:

[(1, 1870619920), (2, 935309960), (4, 467654980), (5, 374123984), (8, 233827490), (10, 187061992), (13, 143893840), (16, 116913745), (19, 98453680), (20, 93530996), (26, 71946920), (38, 49226840), (40, 46765498), (52, 35973460), (65, 28778768), (76, 24613420), (80, 23382749), (95, 19690736), (104, 17986730), (130, 14389384), (137, 13654160), (152, 12306710), (190, 9845368), (208, 8993365), (247, 7573360), (260, 7194692), (274, 6827080), (304, 6153355), (380, 4922684), (494, 3786680), (520, 3597346), (548, 3413540), (685, 2730832), (691, 2707120), (760, 2461342), (988, 1893340), (1040, 1798673), (1096, 1706770), (1235, 1514672), (1370, 1365416), (1382, 1353560), (1520, 1230671), (1781, 1050320), (1976, 946670), (2192, 853385), (2470, 757336), (2603, 718640), (2740, 682708), (2764, 676780), (3455, 541424), (3562, 525160), (3952, 473335), (4940, 378668), (5206, 359320), (5480, 341354), (5528, 338390), (6910, 270712), (7124, 262580), (8905, 210064), (8983, 208240), (9880, 189334), (10412, 179660), (10960, 170677), (11056, 169195), (13015, 143728), (13129, 142480), (13820, 135356), (14248, 131290), (17810, 105032), (17966, 104120), (19760, 94667), (20824, 89830), (26030, 71864), (26258, 71240), (27640, 67678), (28496, 65645), (33839, 55280), (35620, 52516), (35932, 52060), (41648, 44915)]