81358440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3919}}^1$

素因数の和:4106

約数の個数: 64

約数和(自身を含む): 245548800

約数和(自身を除く): 164190360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 3460, 3919, 4152, 5190, 6920, 7838, 10380, 11757, 15676, 19595, 20760, 23514, 31352, 39190, 47028, 58785, 78380, 94056, 117570, 156760, 235140, 470280, 677987, 1355974, 2033961, 2711948, 3389935, 4067922, 5423896, 6779870, 8135844, 10169805, 13559740, 16271688, 20339610, 27119480, 40679220, 81358440]

約数ペア:

[(1, 81358440), (2, 40679220), (3, 27119480), (4, 20339610), (5, 16271688), (6, 13559740), (8, 10169805), (10, 8135844), (12, 6779870), (15, 5423896), (20, 4067922), (24, 3389935), (30, 2711948), (40, 2033961), (60, 1355974), (120, 677987), (173, 470280), (346, 235140), (519, 156760), (692, 117570), (865, 94056), (1038, 78380), (1384, 58785), (1730, 47028), (2076, 39190), (2595, 31352), (3460, 23514), (3919, 20760), (4152, 19595), (5190, 15676), (6920, 11757), (7838, 10380)]