15811380

素因数分解:

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

素因数の和:290

約数の個数: 144

約数和(自身を含む): 53660880

約数和(自身を除く): 37849500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 233, 234, 260, 261, 290, 348, 377, 390, 435, 466, 468, 522, 580, 585, 699, 754, 780, 870, 932, 1044, 1131, 1165, 1170, 1305, 1398, 1508, 1740, 1885, 2097, 2262, 2330, 2340, 2610, 2796, 3029, 3393, 3495, 3770, 4194, 4524, 4660, 5220, 5655, 6058, 6757, 6786, 6990, 7540, 8388, 9087, 10485, 11310, 12116, 13514, 13572, 13980, 15145, 16965, 18174, 20271, 20970, 22620, 27028, 27261, 30290, 33785, 33930, 36348, 40542, 41940, 45435, 54522, 60580, 60813, 67570, 67860, 81084, 87841, 90870, 101355, 109044, 121626, 135140, 136305, 175682, 181740, 202710, 243252, 263523, 272610, 304065, 351364, 405420, 439205, 527046, 545220, 608130, 790569, 878410, 1054092, 1216260, 1317615, 1581138, 1756820, 2635230, 3162276, 3952845, 5270460, 7905690, 15811380]

約数ペア:

[(1, 15811380), (2, 7905690), (3, 5270460), (4, 3952845), (5, 3162276), (6, 2635230), (9, 1756820), (10, 1581138), (12, 1317615), (13, 1216260), (15, 1054092), (18, 878410), (20, 790569), (26, 608130), (29, 545220), (30, 527046), (36, 439205), (39, 405420), (45, 351364), (52, 304065), (58, 272610), (60, 263523), (65, 243252), (78, 202710), (87, 181740), (90, 175682), (116, 136305), (117, 135140), (130, 121626), (145, 109044), (156, 101355), (174, 90870), (180, 87841), (195, 81084), (233, 67860), (234, 67570), (260, 60813), (261, 60580), (290, 54522), (348, 45435), (377, 41940), (390, 40542), (435, 36348), (466, 33930), (468, 33785), (522, 30290), (580, 27261), (585, 27028), (699, 22620), (754, 20970), (780, 20271), (870, 18174), (932, 16965), (1044, 15145), (1131, 13980), (1165, 13572), (1170, 13514), (1305, 12116), (1398, 11310), (1508, 10485), (1740, 9087), (1885, 8388), (2097, 7540), (2262, 6990), (2330, 6786), (2340, 6757), (2610, 6058), (2796, 5655), (3029, 5220), (3393, 4660), (3495, 4524), (3770, 4194)]