121815480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2557}}^1$

素因数の和:2968

約数の個数: 64

約数和(自身を含む): 366510240

約数和(自身を除く): 244694760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 2557, 3176, 3970, 4764, 5114, 5955, 7671, 7940, 9528, 10228, 11910, 12785, 15342, 15880, 20456, 23820, 25570, 30684, 38355, 47640, 51140, 61368, 76710, 102280, 153420, 306840, 1015129, 2030258, 3045387, 4060516, 5075645, 6090774, 8121032, 10151290, 12181548, 15226935, 20302580, 24363096, 30453870, 40605160, 60907740, 121815480]

約数ペア:

[(1, 121815480), (2, 60907740), (3, 40605160), (4, 30453870), (5, 24363096), (6, 20302580), (8, 15226935), (10, 12181548), (12, 10151290), (15, 8121032), (20, 6090774), (24, 5075645), (30, 4060516), (40, 3045387), (60, 2030258), (120, 1015129), (397, 306840), (794, 153420), (1191, 102280), (1588, 76710), (1985, 61368), (2382, 51140), (2557, 47640), (3176, 38355), (3970, 30684), (4764, 25570), (5114, 23820), (5955, 20456), (7671, 15880), (7940, 15342), (9528, 12785), (10228, 11910)]