66145380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157489}}^1$

素因数の和:157508

約数の個数: 48

約数和(自身を含む): 211666560

約数和(自身を除く): 145521180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 157489, 314978, 472467, 629956, 787445, 944934, 1102423, 1574890, 1889868, 2204846, 2362335, 3149780, 3307269, 4409692, 4724670, 5512115, 6614538, 9449340, 11024230, 13229076, 16536345, 22048460, 33072690, 66145380]

約数ペア:

[(1, 66145380), (2, 33072690), (3, 22048460), (4, 16536345), (5, 13229076), (6, 11024230), (7, 9449340), (10, 6614538), (12, 5512115), (14, 4724670), (15, 4409692), (20, 3307269), (21, 3149780), (28, 2362335), (30, 2204846), (35, 1889868), (42, 1574890), (60, 1102423), (70, 944934), (84, 787445), (105, 629956), (140, 472467), (210, 314978), (420, 157489)]