7981740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:413

約数の個数: 120

約数和(自身を含む): 27036240

約数和(自身を除く): 19054500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 379, 390, 405, 468, 540, 585, 702, 758, 780, 810, 1053, 1137, 1170, 1404, 1516, 1620, 1755, 1895, 2106, 2274, 2340, 3411, 3510, 3790, 4212, 4548, 4927, 5265, 5685, 6822, 7020, 7580, 9854, 10233, 10530, 11370, 13644, 14781, 17055, 19708, 20466, 21060, 22740, 24635, 29562, 30699, 34110, 40932, 44343, 49270, 51165, 59124, 61398, 68220, 73905, 88686, 98540, 102330, 122796, 133029, 147810, 153495, 177372, 204660, 221715, 266058, 295620, 306990, 399087, 443430, 532116, 613980, 665145, 798174, 886860, 1330290, 1596348, 1995435, 2660580, 3990870, 7981740]

約数ペア:

[(1, 7981740), (2, 3990870), (3, 2660580), (4, 1995435), (5, 1596348), (6, 1330290), (9, 886860), (10, 798174), (12, 665145), (13, 613980), (15, 532116), (18, 443430), (20, 399087), (26, 306990), (27, 295620), (30, 266058), (36, 221715), (39, 204660), (45, 177372), (52, 153495), (54, 147810), (60, 133029), (65, 122796), (78, 102330), (81, 98540), (90, 88686), (108, 73905), (117, 68220), (130, 61398), (135, 59124), (156, 51165), (162, 49270), (180, 44343), (195, 40932), (234, 34110), (260, 30699), (270, 29562), (324, 24635), (351, 22740), (379, 21060), (390, 20466), (405, 19708), (468, 17055), (540, 14781), (585, 13644), (702, 11370), (758, 10530), (780, 10233), (810, 9854), (1053, 7580), (1137, 7020), (1170, 6822), (1404, 5685), (1516, 5265), (1620, 4927), (1755, 4548), (1895, 4212), (2106, 3790), (2274, 3510), (2340, 3411)]