155253420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123217}}^1$

素因数の和:123239

約数の個数: 72

約数和(自身を含む): 538216224

約数和(自身を除く): 382962804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123217, 246434, 369651, 492868, 616085, 739302, 862519, 1108953, 1232170, 1478604, 1725038, 1848255, 2217906, 2464340, 2587557, 3450076, 3696510, 4312595, 4435812, 5175114, 5544765, 7393020, 7762671, 8625190, 10350228, 11089530, 12937785, 15525342, 17250380, 22179060, 25875570, 31050684, 38813355, 51751140, 77626710, 155253420]

約数ペア:

[(1, 155253420), (2, 77626710), (3, 51751140), (4, 38813355), (5, 31050684), (6, 25875570), (7, 22179060), (9, 17250380), (10, 15525342), (12, 12937785), (14, 11089530), (15, 10350228), (18, 8625190), (20, 7762671), (21, 7393020), (28, 5544765), (30, 5175114), (35, 4435812), (36, 4312595), (42, 3696510), (45, 3450076), (60, 2587557), (63, 2464340), (70, 2217906), (84, 1848255), (90, 1725038), (105, 1478604), (126, 1232170), (140, 1108953), (180, 862519), (210, 739302), (252, 616085), (315, 492868), (420, 369651), (630, 246434), (1260, 123217)]