38898180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7017

約数の個数: 72

約数和(自身を含む): 121814784

約数和(自身を除く): 82916604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 6971, 13942, 20913, 27884, 34855, 41826, 62739, 69710, 83652, 104565, 125478, 139420, 209130, 216101, 250956, 313695, 418260, 432202, 627390, 648303, 864404, 1080505, 1254780, 1296606, 1944909, 2161010, 2593212, 3241515, 3889818, 4322020, 6483030, 7779636, 9724545, 12966060, 19449090, 38898180]

約数ペア:

[(1, 38898180), (2, 19449090), (3, 12966060), (4, 9724545), (5, 7779636), (6, 6483030), (9, 4322020), (10, 3889818), (12, 3241515), (15, 2593212), (18, 2161010), (20, 1944909), (30, 1296606), (31, 1254780), (36, 1080505), (45, 864404), (60, 648303), (62, 627390), (90, 432202), (93, 418260), (124, 313695), (155, 250956), (180, 216101), (186, 209130), (279, 139420), (310, 125478), (372, 104565), (465, 83652), (558, 69710), (620, 62739), (930, 41826), (1116, 34855), (1395, 27884), (1860, 20913), (2790, 13942), (5580, 6971)]