68515980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 215822880

約数和(自身を除く): 147306900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 169, 174, 195, 233, 260, 290, 338, 348, 377, 390, 435, 466, 507, 580, 676, 699, 754, 780, 845, 870, 932, 1014, 1131, 1165, 1398, 1508, 1690, 1740, 1885, 2028, 2262, 2330, 2535, 2796, 3029, 3380, 3495, 3770, 4524, 4660, 4901, 5070, 5655, 6058, 6757, 6990, 7540, 9087, 9802, 10140, 11310, 12116, 13514, 13980, 14703, 15145, 18174, 19604, 20271, 22620, 24505, 27028, 29406, 30290, 33785, 36348, 39377, 40542, 45435, 49010, 58812, 60580, 67570, 73515, 78754, 81084, 87841, 90870, 98020, 101355, 118131, 135140, 147030, 157508, 175682, 181740, 196885, 202710, 236262, 263523, 294060, 351364, 393770, 405420, 439205, 472524, 527046, 590655, 787540, 878410, 1054092, 1141933, 1181310, 1317615, 1756820, 2283866, 2362620, 2635230, 3425799, 4567732, 5270460, 5709665, 6851598, 11419330, 13703196, 17128995, 22838660, 34257990, 68515980]

約数ペア:

[(1, 68515980), (2, 34257990), (3, 22838660), (4, 17128995), (5, 13703196), (6, 11419330), (10, 6851598), (12, 5709665), (13, 5270460), (15, 4567732), (20, 3425799), (26, 2635230), (29, 2362620), (30, 2283866), (39, 1756820), (52, 1317615), (58, 1181310), (60, 1141933), (65, 1054092), (78, 878410), (87, 787540), (116, 590655), (130, 527046), (145, 472524), (156, 439205), (169, 405420), (174, 393770), (195, 351364), (233, 294060), (260, 263523), (290, 236262), (338, 202710), (348, 196885), (377, 181740), (390, 175682), (435, 157508), (466, 147030), (507, 135140), (580, 118131), (676, 101355), (699, 98020), (754, 90870), (780, 87841), (845, 81084), (870, 78754), (932, 73515), (1014, 67570), (1131, 60580), (1165, 58812), (1398, 49010), (1508, 45435), (1690, 40542), (1740, 39377), (1885, 36348), (2028, 33785), (2262, 30290), (2330, 29406), (2535, 27028), (2796, 24505), (3029, 22620), (3380, 20271), (3495, 19604), (3770, 18174), (4524, 15145), (4660, 14703), (4901, 13980), (5070, 13514), (5655, 12116), (6058, 11310), (6757, 10140), (6990, 9802), (7540, 9087)]