217400580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17011}}^1$

素因数の和:17097

約数の個数: 72

約数和(自身を含む): 668775744

約数和(自身を除く): 451375164

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, 17011, 34022, 51033, 68044, 85055, 102066, 153099, 170110, 204132, 255165, 306198, 340220, 510330, 612396, 765495, 1020660, 1207781, 1530990, 2415562, 3061980, 3623343, 4831124, 6038905, 7246686, 10870029, 12077810, 14493372, 18116715, 21740058, 24155620, 36233430, 43480116, 54350145, 72466860, 108700290, 217400580]

約数ペア:

[(1, 217400580), (2, 108700290), (3, 72466860), (4, 54350145), (5, 43480116), (6, 36233430), (9, 24155620), (10, 21740058), (12, 18116715), (15, 14493372), (18, 12077810), (20, 10870029), (30, 7246686), (36, 6038905), (45, 4831124), (60, 3623343), (71, 3061980), (90, 2415562), (142, 1530990), (180, 1207781), (213, 1020660), (284, 765495), (355, 612396), (426, 510330), (639, 340220), (710, 306198), (852, 255165), (1065, 204132), (1278, 170110), (1420, 153099), (2130, 102066), (2556, 85055), (3195, 68044), (4260, 51033), (6390, 34022), (12780, 17011)]