1253989980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 3870397440

約数和(自身を除く): 2616407460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 239, 283, 309, 412, 478, 515, 566, 618, 717, 849, 927, 956, 1030, 1132, 1195, 1236, 1415, 1434, 1545, 1698, 1854, 2060, 2151, 2390, 2547, 2830, 2868, 3090, 3396, 3585, 3708, 4245, 4302, 4635, 4780, 5094, 5660, 6180, 7170, 8490, 8604, 9270, 10188, 10755, 12735, 14340, 16980, 18540, 21510, 24617, 25470, 29149, 43020, 49234, 50940, 58298, 67637, 73851, 87447, 98468, 116596, 123085, 135274, 145745, 147702, 174894, 202911, 221553, 246170, 262341, 270548, 291490, 295404, 338185, 349788, 369255, 405822, 437235, 443106, 492340, 524682, 582980, 608733, 676370, 738510, 811644, 874470, 886212, 1014555, 1049364, 1107765, 1217466, 1311705, 1352740, 1477020, 1748940, 2029110, 2215530, 2434932, 2623410, 3043665, 4058220, 4431060, 5246820, 6087330, 6966611, 12174660, 13933222, 20899833, 27866444, 34833055, 41799666, 62699499, 69666110, 83599332, 104499165, 125398998, 139332220, 208998330, 250797996, 313497495, 417996660, 626994990, 1253989980]

約数ペア:

[(1, 1253989980), (2, 626994990), (3, 417996660), (4, 313497495), (5, 250797996), (6, 208998330), (9, 139332220), (10, 125398998), (12, 104499165), (15, 83599332), (18, 69666110), (20, 62699499), (30, 41799666), (36, 34833055), (45, 27866444), (60, 20899833), (90, 13933222), (103, 12174660), (180, 6966611), (206, 6087330), (239, 5246820), (283, 4431060), (309, 4058220), (412, 3043665), (478, 2623410), (515, 2434932), (566, 2215530), (618, 2029110), (717, 1748940), (849, 1477020), (927, 1352740), (956, 1311705), (1030, 1217466), (1132, 1107765), (1195, 1049364), (1236, 1014555), (1415, 886212), (1434, 874470), (1545, 811644), (1698, 738510), (1854, 676370), (2060, 608733), (2151, 582980), (2390, 524682), (2547, 492340), (2830, 443106), (2868, 437235), (3090, 405822), (3396, 369255), (3585, 349788), (3708, 338185), (4245, 295404), (4302, 291490), (4635, 270548), (4780, 262341), (5094, 246170), (5660, 221553), (6180, 202911), (7170, 174894), (8490, 147702), (8604, 145745), (9270, 135274), (10188, 123085), (10755, 116596), (12735, 98468), (14340, 87447), (16980, 73851), (18540, 67637), (21510, 58298), (24617, 50940), (25470, 49234), (29149, 43020)]