89165720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 152754280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 79, 116, 139, 140, 145, 158, 203, 232, 278, 280, 290, 316, 395, 406, 553, 556, 580, 632, 695, 790, 812, 973, 1015, 1106, 1112, 1160, 1390, 1580, 1624, 1946, 2030, 2212, 2291, 2765, 2780, 3160, 3892, 4031, 4060, 4424, 4582, 4865, 5530, 5560, 7784, 8062, 8120, 9164, 9730, 10981, 11060, 11455, 16037, 16124, 18328, 19460, 20155, 21962, 22120, 22910, 28217, 32074, 32248, 38920, 40310, 43924, 45820, 54905, 56434, 64148, 76867, 80185, 80620, 87848, 91640, 109810, 112868, 128296, 141085, 153734, 160370, 161240, 219620, 225736, 282170, 307468, 318449, 320740, 384335, 439240, 564340, 614936, 636898, 641480, 768670, 1128680, 1273796, 1537340, 1592245, 2229143, 2547592, 3074680, 3184490, 4458286, 6368980, 8916572, 11145715, 12737960, 17833144, 22291430, 44582860, 89165720]

約数ペア:

[(1, 89165720), (2, 44582860), (4, 22291430), (5, 17833144), (7, 12737960), (8, 11145715), (10, 8916572), (14, 6368980), (20, 4458286), (28, 3184490), (29, 3074680), (35, 2547592), (40, 2229143), (56, 1592245), (58, 1537340), (70, 1273796), (79, 1128680), (116, 768670), (139, 641480), (140, 636898), (145, 614936), (158, 564340), (203, 439240), (232, 384335), (278, 320740), (280, 318449), (290, 307468), (316, 282170), (395, 225736), (406, 219620), (553, 161240), (556, 160370), (580, 153734), (632, 141085), (695, 128296), (790, 112868), (812, 109810), (973, 91640), (1015, 87848), (1106, 80620), (1112, 80185), (1160, 76867), (1390, 64148), (1580, 56434), (1624, 54905), (1946, 45820), (2030, 43924), (2212, 40310), (2291, 38920), (2765, 32248), (2780, 32074), (3160, 28217), (3892, 22910), (4031, 22120), (4060, 21962), (4424, 20155), (4582, 19460), (4865, 18328), (5530, 16124), (5560, 16037), (7784, 11455), (8062, 11060), (8120, 10981), (9164, 9730)]