78271740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25579}}^1$

素因数の和:25611

約数の個数: 72

約数和(自身を含む): 251400240

約数和(自身を除く): 173128500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 25579, 51158, 76737, 102316, 127895, 153474, 230211, 255790, 306948, 383685, 434843, 460422, 511580, 767370, 869686, 920844, 1151055, 1304529, 1534740, 1739372, 2174215, 2302110, 2609058, 3913587, 4348430, 4604220, 5218116, 6522645, 7827174, 8696860, 13045290, 15654348, 19567935, 26090580, 39135870, 78271740]

約数ペア:

[(1, 78271740), (2, 39135870), (3, 26090580), (4, 19567935), (5, 15654348), (6, 13045290), (9, 8696860), (10, 7827174), (12, 6522645), (15, 5218116), (17, 4604220), (18, 4348430), (20, 3913587), (30, 2609058), (34, 2302110), (36, 2174215), (45, 1739372), (51, 1534740), (60, 1304529), (68, 1151055), (85, 920844), (90, 869686), (102, 767370), (153, 511580), (170, 460422), (180, 434843), (204, 383685), (255, 306948), (306, 255790), (340, 230211), (510, 153474), (612, 127895), (765, 102316), (1020, 76737), (1530, 51158), (3060, 25579)]