81670160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 160

約数和(自身を含む): 228735360

約数和(自身を除く): 147065200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 59, 65, 80, 88, 104, 110, 118, 121, 130, 143, 176, 208, 220, 236, 242, 260, 286, 295, 440, 472, 484, 520, 572, 590, 605, 649, 715, 767, 880, 944, 968, 1040, 1144, 1180, 1210, 1298, 1331, 1430, 1534, 1573, 1936, 2288, 2360, 2420, 2596, 2662, 2860, 3068, 3146, 3245, 3835, 4720, 4840, 5192, 5324, 5720, 6136, 6292, 6490, 6655, 7139, 7670, 7865, 8437, 9680, 10384, 10648, 11440, 12272, 12584, 12980, 13310, 14278, 15340, 15730, 16874, 17303, 21296, 25168, 25960, 26620, 28556, 30680, 31460, 33748, 34606, 35695, 42185, 51920, 53240, 57112, 61360, 62920, 67496, 69212, 71390, 78529, 84370, 86515, 92807, 106480, 114224, 125840, 134992, 138424, 142780, 157058, 168740, 173030, 185614, 276848, 285560, 314116, 337480, 346060, 371228, 392645, 464035, 571120, 628232, 674960, 692120, 742456, 785290, 928070, 1020877, 1256464, 1384240, 1484912, 1570580, 1856140, 2041754, 3141160, 3712280, 4083508, 5104385, 6282320, 7424560, 8167016, 10208770, 16334032, 20417540, 40835080, 81670160]

約数ペア:

[(1, 81670160), (2, 40835080), (4, 20417540), (5, 16334032), (8, 10208770), (10, 8167016), (11, 7424560), (13, 6282320), (16, 5104385), (20, 4083508), (22, 3712280), (26, 3141160), (40, 2041754), (44, 1856140), (52, 1570580), (55, 1484912), (59, 1384240), (65, 1256464), (80, 1020877), (88, 928070), (104, 785290), (110, 742456), (118, 692120), (121, 674960), (130, 628232), (143, 571120), (176, 464035), (208, 392645), (220, 371228), (236, 346060), (242, 337480), (260, 314116), (286, 285560), (295, 276848), (440, 185614), (472, 173030), (484, 168740), (520, 157058), (572, 142780), (590, 138424), (605, 134992), (649, 125840), (715, 114224), (767, 106480), (880, 92807), (944, 86515), (968, 84370), (1040, 78529), (1144, 71390), (1180, 69212), (1210, 67496), (1298, 62920), (1331, 61360), (1430, 57112), (1534, 53240), (1573, 51920), (1936, 42185), (2288, 35695), (2360, 34606), (2420, 33748), (2596, 31460), (2662, 30680), (2860, 28556), (3068, 26620), (3146, 25960), (3245, 25168), (3835, 21296), (4720, 17303), (4840, 16874), (5192, 15730), (5324, 15340), (5720, 14278), (6136, 13310), (6292, 12980), (6490, 12584), (6655, 12272), (7139, 11440), (7670, 10648), (7865, 10384), (8437, 9680)]