289278180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{27239}}^1$

素因数の和:27313

約数の個数: 72

約数和(自身を含む): 892382400

約数和(自身を除く): 603104220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 27239, 54478, 81717, 108956, 136195, 163434, 245151, 272390, 326868, 408585, 490302, 544780, 817170, 980604, 1225755, 1607101, 1634340, 2451510, 3214202, 4821303, 4903020, 6428404, 8035505, 9642606, 14463909, 16071010, 19285212, 24106515, 28927818, 32142020, 48213030, 57855636, 72319545, 96426060, 144639090, 289278180]

約数ペア:

[(1, 289278180), (2, 144639090), (3, 96426060), (4, 72319545), (5, 57855636), (6, 48213030), (9, 32142020), (10, 28927818), (12, 24106515), (15, 19285212), (18, 16071010), (20, 14463909), (30, 9642606), (36, 8035505), (45, 6428404), (59, 4903020), (60, 4821303), (90, 3214202), (118, 2451510), (177, 1634340), (180, 1607101), (236, 1225755), (295, 980604), (354, 817170), (531, 544780), (590, 490302), (708, 408585), (885, 326868), (1062, 272390), (1180, 245151), (1770, 163434), (2124, 136195), (2655, 108956), (3540, 81717), (5310, 54478), (10620, 27239)]