77778870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 218589840

約数和(自身を除く): 140810970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 29, 30, 39, 46, 58, 65, 69, 78, 87, 115, 130, 138, 145, 169, 174, 195, 230, 290, 299, 338, 345, 377, 390, 435, 507, 529, 598, 667, 690, 754, 845, 870, 897, 1014, 1058, 1131, 1334, 1495, 1587, 1690, 1794, 1885, 2001, 2262, 2535, 2645, 2990, 3174, 3335, 3770, 3887, 4002, 4485, 4901, 5070, 5290, 5655, 6670, 6877, 7774, 7935, 8671, 8970, 9802, 10005, 11310, 11661, 13754, 14703, 15341, 15870, 17342, 19435, 20010, 20631, 23322, 24505, 26013, 29406, 30682, 34385, 38870, 41262, 43355, 46023, 49010, 52026, 58305, 68770, 73515, 76705, 86710, 89401, 92046, 103155, 112723, 116610, 130065, 147030, 153410, 178802, 199433, 206310, 225446, 230115, 260130, 268203, 338169, 398866, 447005, 460230, 536406, 563615, 598299, 676338, 894010, 997165, 1127230, 1196598, 1341015, 1690845, 1994330, 2592629, 2682030, 2991495, 3381690, 5185258, 5982990, 7777887, 12963145, 15555774, 25926290, 38889435, 77778870]

約数ペア:

[(1, 77778870), (2, 38889435), (3, 25926290), (5, 15555774), (6, 12963145), (10, 7777887), (13, 5982990), (15, 5185258), (23, 3381690), (26, 2991495), (29, 2682030), (30, 2592629), (39, 1994330), (46, 1690845), (58, 1341015), (65, 1196598), (69, 1127230), (78, 997165), (87, 894010), (115, 676338), (130, 598299), (138, 563615), (145, 536406), (169, 460230), (174, 447005), (195, 398866), (230, 338169), (290, 268203), (299, 260130), (338, 230115), (345, 225446), (377, 206310), (390, 199433), (435, 178802), (507, 153410), (529, 147030), (598, 130065), (667, 116610), (690, 112723), (754, 103155), (845, 92046), (870, 89401), (897, 86710), (1014, 76705), (1058, 73515), (1131, 68770), (1334, 58305), (1495, 52026), (1587, 49010), (1690, 46023), (1794, 43355), (1885, 41262), (2001, 38870), (2262, 34385), (2535, 30682), (2645, 29406), (2990, 26013), (3174, 24505), (3335, 23322), (3770, 20631), (3887, 20010), (4002, 19435), (4485, 17342), (4901, 15870), (5070, 15341), (5290, 14703), (5655, 13754), (6670, 11661), (6877, 11310), (7774, 10005), (7935, 9802), (8671, 8970)]