72188620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 179988480

約数和(自身を除く): 107799860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 79, 107, 122, 140, 158, 214, 244, 305, 316, 395, 427, 428, 535, 553, 610, 749, 790, 854, 1070, 1106, 1220, 1498, 1580, 1708, 2135, 2140, 2212, 2765, 2996, 3745, 4270, 4819, 5530, 6527, 7490, 8453, 8540, 9638, 11060, 13054, 14980, 16906, 19276, 24095, 26108, 32635, 33733, 33812, 42265, 45689, 48190, 59171, 65270, 67466, 84530, 91378, 96380, 118342, 130540, 134932, 168665, 169060, 182756, 228445, 236684, 295855, 337330, 456890, 515633, 591710, 674660, 913780, 1031266, 1183420, 2062532, 2578165, 3609431, 5156330, 7218862, 10312660, 14437724, 18047155, 36094310, 72188620]

約数ペア:

[(1, 72188620), (2, 36094310), (4, 18047155), (5, 14437724), (7, 10312660), (10, 7218862), (14, 5156330), (20, 3609431), (28, 2578165), (35, 2062532), (61, 1183420), (70, 1031266), (79, 913780), (107, 674660), (122, 591710), (140, 515633), (158, 456890), (214, 337330), (244, 295855), (305, 236684), (316, 228445), (395, 182756), (427, 169060), (428, 168665), (535, 134932), (553, 130540), (610, 118342), (749, 96380), (790, 91378), (854, 84530), (1070, 67466), (1106, 65270), (1220, 59171), (1498, 48190), (1580, 45689), (1708, 42265), (2135, 33812), (2140, 33733), (2212, 32635), (2765, 26108), (2996, 24095), (3745, 19276), (4270, 16906), (4819, 14980), (5530, 13054), (6527, 11060), (7490, 9638), (8453, 8540)]