61537840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 179988480

約数和(自身を除く): 118450640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 107, 112, 130, 140, 158, 182, 208, 214, 260, 280, 316, 364, 395, 428, 455, 520, 535, 553, 560, 632, 728, 749, 790, 856, 910, 1027, 1040, 1070, 1106, 1264, 1391, 1456, 1498, 1580, 1712, 1820, 2054, 2140, 2212, 2765, 2782, 2996, 3160, 3640, 3745, 4108, 4280, 4424, 5135, 5530, 5564, 5992, 6320, 6955, 7189, 7280, 7490, 8216, 8453, 8560, 8848, 9737, 10270, 11060, 11128, 11984, 13910, 14378, 14980, 16432, 16906, 19474, 20540, 22120, 22256, 27820, 28756, 29960, 33812, 35945, 38948, 41080, 42265, 44240, 48685, 55640, 57512, 59171, 59920, 67624, 71890, 77896, 82160, 84530, 97370, 109889, 111280, 115024, 118342, 135248, 143780, 155792, 169060, 194740, 219778, 236684, 287560, 295855, 338120, 389480, 439556, 473368, 549445, 575120, 591710, 676240, 769223, 778960, 879112, 946736, 1098890, 1183420, 1538446, 1758224, 2197780, 2366840, 3076892, 3846115, 4395560, 4733680, 6153784, 7692230, 8791120, 12307568, 15384460, 30768920, 61537840]

約数ペア:

[(1, 61537840), (2, 30768920), (4, 15384460), (5, 12307568), (7, 8791120), (8, 7692230), (10, 6153784), (13, 4733680), (14, 4395560), (16, 3846115), (20, 3076892), (26, 2366840), (28, 2197780), (35, 1758224), (40, 1538446), (52, 1183420), (56, 1098890), (65, 946736), (70, 879112), (79, 778960), (80, 769223), (91, 676240), (104, 591710), (107, 575120), (112, 549445), (130, 473368), (140, 439556), (158, 389480), (182, 338120), (208, 295855), (214, 287560), (260, 236684), (280, 219778), (316, 194740), (364, 169060), (395, 155792), (428, 143780), (455, 135248), (520, 118342), (535, 115024), (553, 111280), (560, 109889), (632, 97370), (728, 84530), (749, 82160), (790, 77896), (856, 71890), (910, 67624), (1027, 59920), (1040, 59171), (1070, 57512), (1106, 55640), (1264, 48685), (1391, 44240), (1456, 42265), (1498, 41080), (1580, 38948), (1712, 35945), (1820, 33812), (2054, 29960), (2140, 28756), (2212, 27820), (2765, 22256), (2782, 22120), (2996, 20540), (3160, 19474), (3640, 16906), (3745, 16432), (4108, 14980), (4280, 14378), (4424, 13910), (5135, 11984), (5530, 11128), (5564, 11060), (5992, 10270), (6320, 9737), (6955, 8848), (7189, 8560), (7280, 8453), (7490, 8216)]