210859020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1237}}^1$

素因数の和:2199

約数の個数: 72

約数和(自身を含む): 640798704

約数和(自身を除く): 429939684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 947, 1237, 1894, 2474, 2841, 3711, 3788, 4735, 4948, 5682, 6185, 7422, 8523, 9470, 11133, 11364, 12370, 14205, 14844, 17046, 18555, 18940, 22266, 24740, 28410, 34092, 37110, 42615, 44532, 55665, 56820, 74220, 85230, 111330, 170460, 222660, 1171439, 2342878, 3514317, 4685756, 5857195, 7028634, 10542951, 11714390, 14057268, 17571585, 21085902, 23428780, 35143170, 42171804, 52714755, 70286340, 105429510, 210859020]

約数ペア:

[(1, 210859020), (2, 105429510), (3, 70286340), (4, 52714755), (5, 42171804), (6, 35143170), (9, 23428780), (10, 21085902), (12, 17571585), (15, 14057268), (18, 11714390), (20, 10542951), (30, 7028634), (36, 5857195), (45, 4685756), (60, 3514317), (90, 2342878), (180, 1171439), (947, 222660), (1237, 170460), (1894, 111330), (2474, 85230), (2841, 74220), (3711, 56820), (3788, 55665), (4735, 44532), (4948, 42615), (5682, 37110), (6185, 34092), (7422, 28410), (8523, 24740), (9470, 22266), (11133, 18940), (11364, 18555), (12370, 17046), (14205, 14844)]