18415697080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{109279}}^1$

素因数の和:109684

約数の個数: 64

約数和(自身を含む): 45320601600

約数和(自身を除く): 26904904520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 383, 440, 766, 1532, 1915, 3064, 3830, 4213, 7660, 8426, 15320, 16852, 21065, 33704, 42130, 84260, 109279, 168520, 218558, 437116, 546395, 874232, 1092790, 1202069, 2185580, 2404138, 4371160, 4808276, 6010345, 9616552, 12020690, 24041380, 41853857, 48082760, 83707714, 167415428, 209269285, 334830856, 418538570, 460392427, 837077140, 920784854, 1674154280, 1841569708, 2301962135, 3683139416, 4603924270, 9207848540, 18415697080]

約数ペア:

[(1, 18415697080), (2, 9207848540), (4, 4603924270), (5, 3683139416), (8, 2301962135), (10, 1841569708), (11, 1674154280), (20, 920784854), (22, 837077140), (40, 460392427), (44, 418538570), (55, 334830856), (88, 209269285), (110, 167415428), (220, 83707714), (383, 48082760), (440, 41853857), (766, 24041380), (1532, 12020690), (1915, 9616552), (3064, 6010345), (3830, 4808276), (4213, 4371160), (7660, 2404138), (8426, 2185580), (15320, 1202069), (16852, 1092790), (21065, 874232), (33704, 546395), (42130, 437116), (84260, 218558), (109279, 168520)]