240778620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2161}}^1$

素因数の和:2795

約数の個数: 72

約数和(自身を含む): 731880240

約数和(自身を除く): 491101620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1857, 2161, 2476, 3095, 3714, 4322, 5571, 6190, 6483, 7428, 8644, 9285, 10805, 11142, 12380, 12966, 18570, 19449, 21610, 22284, 25932, 27855, 32415, 37140, 38898, 43220, 55710, 64830, 77796, 97245, 111420, 129660, 194490, 388980, 1337659, 2675318, 4012977, 5350636, 6688295, 8025954, 12038931, 13376590, 16051908, 20064885, 24077862, 26753180, 40129770, 48155724, 60194655, 80259540, 120389310, 240778620]

約数ペア:

[(1, 240778620), (2, 120389310), (3, 80259540), (4, 60194655), (5, 48155724), (6, 40129770), (9, 26753180), (10, 24077862), (12, 20064885), (15, 16051908), (18, 13376590), (20, 12038931), (30, 8025954), (36, 6688295), (45, 5350636), (60, 4012977), (90, 2675318), (180, 1337659), (619, 388980), (1238, 194490), (1857, 129660), (2161, 111420), (2476, 97245), (3095, 77796), (3714, 64830), (4322, 55710), (5571, 43220), (6190, 38898), (6483, 37140), (7428, 32415), (8644, 27855), (9285, 25932), (10805, 22284), (11142, 21610), (12380, 19449), (12966, 18570)]