319962480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8179}}^1$

素因数の和:8358

約数の個数: 80

約数和(自身を含む): 998090880

約数和(自身を除く): 678128400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 2608, 3260, 3912, 4890, 6520, 7824, 8179, 9780, 13040, 16358, 19560, 24537, 32716, 39120, 40895, 49074, 65432, 81790, 98148, 122685, 130864, 163580, 196296, 245370, 327160, 392592, 490740, 654320, 981480, 1333177, 1962960, 2666354, 3999531, 5332708, 6665885, 7999062, 10665416, 13331770, 15998124, 19997655, 21330832, 26663540, 31996248, 39995310, 53327080, 63992496, 79990620, 106654160, 159981240, 319962480]

約数ペア:

[(1, 319962480), (2, 159981240), (3, 106654160), (4, 79990620), (5, 63992496), (6, 53327080), (8, 39995310), (10, 31996248), (12, 26663540), (15, 21330832), (16, 19997655), (20, 15998124), (24, 13331770), (30, 10665416), (40, 7999062), (48, 6665885), (60, 5332708), (80, 3999531), (120, 2666354), (163, 1962960), (240, 1333177), (326, 981480), (489, 654320), (652, 490740), (815, 392592), (978, 327160), (1304, 245370), (1630, 196296), (1956, 163580), (2445, 130864), (2608, 122685), (3260, 98148), (3912, 81790), (4890, 65432), (6520, 49074), (7824, 40895), (8179, 39120), (9780, 32716), (13040, 24537), (16358, 19560)]