8045891820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{629569}}^1$

素因数の和:629655

約数の個数: 72

約数和(自身を含む): 24749655840

約数和(自身を除く): 16703764020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 629569, 1259138, 1888707, 2518276, 3147845, 3777414, 5666121, 6295690, 7554828, 9443535, 11332242, 12591380, 18887070, 22664484, 28330605, 37774140, 44699399, 56661210, 89398798, 113322420, 134098197, 178797596, 223496995, 268196394, 402294591, 446993990, 536392788, 670490985, 804589182, 893987980, 1340981970, 1609178364, 2011472955, 2681963940, 4022945910, 8045891820]

約数ペア:

[(1, 8045891820), (2, 4022945910), (3, 2681963940), (4, 2011472955), (5, 1609178364), (6, 1340981970), (9, 893987980), (10, 804589182), (12, 670490985), (15, 536392788), (18, 446993990), (20, 402294591), (30, 268196394), (36, 223496995), (45, 178797596), (60, 134098197), (71, 113322420), (90, 89398798), (142, 56661210), (180, 44699399), (213, 37774140), (284, 28330605), (355, 22664484), (426, 18887070), (639, 12591380), (710, 11332242), (852, 9443535), (1065, 7554828), (1278, 6295690), (1420, 5666121), (2130, 3777414), (2556, 3147845), (3195, 2518276), (4260, 1888707), (6390, 1259138), (12780, 629569)]