79941680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 233318400

約数和(自身を除く): 153376720

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, 112, 130, 139, 140, 158, 182, 208, 260, 278, 280, 316, 364, 395, 455, 520, 553, 556, 560, 632, 695, 728, 790, 910, 973, 1027, 1040, 1106, 1112, 1264, 1390, 1456, 1580, 1807, 1820, 1946, 2054, 2212, 2224, 2765, 2780, 3160, 3614, 3640, 3892, 4108, 4424, 4865, 5135, 5530, 5560, 6320, 7189, 7228, 7280, 7784, 8216, 8848, 9035, 9730, 10270, 10981, 11060, 11120, 12649, 14378, 14456, 15568, 16432, 18070, 19460, 20540, 21962, 22120, 25298, 28756, 28912, 35945, 36140, 38920, 41080, 43924, 44240, 50596, 54905, 57512, 63245, 71890, 72280, 76867, 77840, 82160, 87848, 101192, 109810, 115024, 126490, 142753, 143780, 144560, 153734, 175696, 202384, 219620, 252980, 285506, 287560, 307468, 384335, 439240, 505960, 571012, 575120, 614936, 713765, 768670, 878480, 999271, 1011920, 1142024, 1229872, 1427530, 1537340, 1998542, 2284048, 2855060, 3074680, 3997084, 4996355, 5710120, 6149360, 7994168, 9992710, 11420240, 15988336, 19985420, 39970840, 79941680]

約数ペア:

[(1, 79941680), (2, 39970840), (4, 19985420), (5, 15988336), (7, 11420240), (8, 9992710), (10, 7994168), (13, 6149360), (14, 5710120), (16, 4996355), (20, 3997084), (26, 3074680), (28, 2855060), (35, 2284048), (40, 1998542), (52, 1537340), (56, 1427530), (65, 1229872), (70, 1142024), (79, 1011920), (80, 999271), (91, 878480), (104, 768670), (112, 713765), (130, 614936), (139, 575120), (140, 571012), (158, 505960), (182, 439240), (208, 384335), (260, 307468), (278, 287560), (280, 285506), (316, 252980), (364, 219620), (395, 202384), (455, 175696), (520, 153734), (553, 144560), (556, 143780), (560, 142753), (632, 126490), (695, 115024), (728, 109810), (790, 101192), (910, 87848), (973, 82160), (1027, 77840), (1040, 76867), (1106, 72280), (1112, 71890), (1264, 63245), (1390, 57512), (1456, 54905), (1580, 50596), (1807, 44240), (1820, 43924), (1946, 41080), (2054, 38920), (2212, 36140), (2224, 35945), (2765, 28912), (2780, 28756), (3160, 25298), (3614, 22120), (3640, 21962), (3892, 20540), (4108, 19460), (4424, 18070), (4865, 16432), (5135, 15568), (5530, 14456), (5560, 14378), (6320, 12649), (7189, 11120), (7228, 11060), (7280, 10981), (7784, 10270), (8216, 9730), (8848, 9035)]