778196880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20393}}^1$

素因数の和:20465

約数の個数: 120

約数和(自身を含む): 2662885368

約数和(自身を除く): 1884688488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 6360, 7632, 9540, 12720, 19080, 20393, 38160, 40786, 61179, 81572, 101965, 122358, 163144, 183537, 203930, 244716, 305895, 326288, 367074, 407860, 489432, 611790, 734148, 815720, 917685, 978864, 1080829, 1223580, 1468296, 1631440, 1835370, 2161658, 2447160, 2936592, 3242487, 3670740, 4323316, 4894320, 5404145, 6484974, 7341480, 8646632, 9727461, 10808290, 12969948, 14682960, 16212435, 17293264, 19454922, 21616580, 25939896, 32424870, 38909844, 43233160, 48637305, 51879792, 64849740, 77819688, 86466320, 97274610, 129699480, 155639376, 194549220, 259398960, 389098440, 778196880]

約数ペア:

[(1, 778196880), (2, 389098440), (3, 259398960), (4, 194549220), (5, 155639376), (6, 129699480), (8, 97274610), (9, 86466320), (10, 77819688), (12, 64849740), (15, 51879792), (16, 48637305), (18, 43233160), (20, 38909844), (24, 32424870), (30, 25939896), (36, 21616580), (40, 19454922), (45, 17293264), (48, 16212435), (53, 14682960), (60, 12969948), (72, 10808290), (80, 9727461), (90, 8646632), (106, 7341480), (120, 6484974), (144, 5404145), (159, 4894320), (180, 4323316), (212, 3670740), (240, 3242487), (265, 2936592), (318, 2447160), (360, 2161658), (424, 1835370), (477, 1631440), (530, 1468296), (636, 1223580), (720, 1080829), (795, 978864), (848, 917685), (954, 815720), (1060, 734148), (1272, 611790), (1590, 489432), (1908, 407860), (2120, 367074), (2385, 326288), (2544, 305895), (3180, 244716), (3816, 203930), (4240, 183537), (4770, 163144), (6360, 122358), (7632, 101965), (9540, 81572), (12720, 61179), (19080, 40786), (20393, 38160)]