18147060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 55449576

約数和(自身を除く): 37302516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 557, 724, 905, 1086, 1114, 1629, 1671, 1810, 2172, 2228, 2715, 2785, 3258, 3342, 3620, 5013, 5430, 5570, 6516, 6684, 8145, 8355, 10026, 10860, 11140, 16290, 16710, 20052, 25065, 32580, 33420, 50130, 100260, 100817, 201634, 302451, 403268, 504085, 604902, 907353, 1008170, 1209804, 1512255, 1814706, 2016340, 3024510, 3629412, 4536765, 6049020, 9073530, 18147060]

約数ペア:

[(1, 18147060), (2, 9073530), (3, 6049020), (4, 4536765), (5, 3629412), (6, 3024510), (9, 2016340), (10, 1814706), (12, 1512255), (15, 1209804), (18, 1008170), (20, 907353), (30, 604902), (36, 504085), (45, 403268), (60, 302451), (90, 201634), (180, 100817), (181, 100260), (362, 50130), (543, 33420), (557, 32580), (724, 25065), (905, 20052), (1086, 16710), (1114, 16290), (1629, 11140), (1671, 10860), (1810, 10026), (2172, 8355), (2228, 8145), (2715, 6684), (2785, 6516), (3258, 5570), (3342, 5430), (3620, 5013)]