655260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 1873536

約数和(自身を除く): 1218276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 163, 201, 268, 326, 335, 402, 489, 652, 670, 804, 815, 978, 1005, 1340, 1630, 1956, 2010, 2445, 3260, 4020, 4890, 9780, 10921, 21842, 32763, 43684, 54605, 65526, 109210, 131052, 163815, 218420, 327630, 655260]

約数ペア:

[(1, 655260), (2, 327630), (3, 218420), (4, 163815), (5, 131052), (6, 109210), (10, 65526), (12, 54605), (15, 43684), (20, 32763), (30, 21842), (60, 10921), (67, 9780), (134, 4890), (163, 4020), (201, 3260), (268, 2445), (326, 2010), (335, 1956), (402, 1630), (489, 1340), (652, 1005), (670, 978), (804, 815)]