661160940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 192

約数和(自身を含む): 2160442368

約数和(自身を除く): 1499281428

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 165, 170, 187, 204, 220, 242, 255, 330, 340, 363, 374, 484, 487, 510, 561, 605, 660, 726, 748, 935, 974, 1020, 1122, 1210, 1331, 1452, 1461, 1815, 1870, 1948, 2057, 2244, 2420, 2435, 2662, 2805, 2922, 3630, 3740, 3993, 4114, 4870, 5324, 5357, 5610, 5844, 6171, 6655, 7260, 7305, 7986, 8228, 8279, 9740, 10285, 10714, 11220, 12342, 13310, 14610, 15972, 16071, 16558, 19965, 20570, 21428, 22627, 24684, 24837, 26620, 26785, 29220, 30855, 32142, 33116, 39930, 41140, 41395, 45254, 49674, 53570, 58927, 61710, 64284, 67881, 79860, 80355, 82790, 90508, 91069, 99348, 107140, 113135, 117854, 123420, 124185, 135762, 160710, 165580, 176781, 182138, 226270, 235708, 248370, 271524, 273207, 294635, 321420, 339405, 353562, 364276, 452540, 455345, 496740, 546414, 589270, 648197, 678810, 707124, 883905, 910690, 1001759, 1092828, 1178540, 1296394, 1357620, 1366035, 1767810, 1821380, 1944591, 2003518, 2592788, 2732070, 3005277, 3240985, 3535620, 3889182, 4007036, 5008795, 5464140, 6010554, 6481970, 7778364, 9722955, 10017590, 11019349, 12021108, 12963940, 15026385, 19445910, 20035180, 22038698, 30052770, 33058047, 38891820, 44077396, 55096745, 60105540, 66116094, 110193490, 132232188, 165290235, 220386980, 330580470, 661160940]

約数ペア:

[(1, 661160940), (2, 330580470), (3, 220386980), (4, 165290235), (5, 132232188), (6, 110193490), (10, 66116094), (11, 60105540), (12, 55096745), (15, 44077396), (17, 38891820), (20, 33058047), (22, 30052770), (30, 22038698), (33, 20035180), (34, 19445910), (44, 15026385), (51, 12963940), (55, 12021108), (60, 11019349), (66, 10017590), (68, 9722955), (85, 7778364), (102, 6481970), (110, 6010554), (121, 5464140), (132, 5008795), (165, 4007036), (170, 3889182), (187, 3535620), (204, 3240985), (220, 3005277), (242, 2732070), (255, 2592788), (330, 2003518), (340, 1944591), (363, 1821380), (374, 1767810), (484, 1366035), (487, 1357620), (510, 1296394), (561, 1178540), (605, 1092828), (660, 1001759), (726, 910690), (748, 883905), (935, 707124), (974, 678810), (1020, 648197), (1122, 589270), (1210, 546414), (1331, 496740), (1452, 455345), (1461, 452540), (1815, 364276), (1870, 353562), (1948, 339405), (2057, 321420), (2244, 294635), (2420, 273207), (2435, 271524), (2662, 248370), (2805, 235708), (2922, 226270), (3630, 182138), (3740, 176781), (3993, 165580), (4114, 160710), (4870, 135762), (5324, 124185), (5357, 123420), (5610, 117854), (5844, 113135), (6171, 107140), (6655, 99348), (7260, 91069), (7305, 90508), (7986, 82790), (8228, 80355), (8279, 79860), (9740, 67881), (10285, 64284), (10714, 61710), (11220, 58927), (12342, 53570), (13310, 49674), (14610, 45254), (15972, 41395), (16071, 41140), (16558, 39930), (19965, 33116), (20570, 32142), (21428, 30855), (22627, 29220), (24684, 26785), (24837, 26620)]