140580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 471744

約数和(自身を除く): 331164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 639, 660, 710, 781, 852, 990, 1065, 1278, 1420, 1562, 1980, 2130, 2343, 2556, 3124, 3195, 3905, 4260, 4686, 6390, 7029, 7810, 9372, 11715, 12780, 14058, 15620, 23430, 28116, 35145, 46860, 70290, 140580]

約数ペア:

[(1, 140580), (2, 70290), (3, 46860), (4, 35145), (5, 28116), (6, 23430), (9, 15620), (10, 14058), (11, 12780), (12, 11715), (15, 9372), (18, 7810), (20, 7029), (22, 6390), (30, 4686), (33, 4260), (36, 3905), (44, 3195), (45, 3124), (55, 2556), (60, 2343), (66, 2130), (71, 1980), (90, 1562), (99, 1420), (110, 1278), (132, 1065), (142, 990), (165, 852), (180, 781), (198, 710), (213, 660), (220, 639), (284, 495), (330, 426), (355, 396)]