7908420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10139}}^1$

素因数の和:10164

約数の個数: 48

約数和(自身を含む): 23849280

約数和(自身を除く): 15940860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10139, 20278, 30417, 40556, 50695, 60834, 101390, 121668, 131807, 152085, 202780, 263614, 304170, 395421, 527228, 608340, 659035, 790842, 1318070, 1581684, 1977105, 2636140, 3954210, 7908420]

約数ペア:

[(1, 7908420), (2, 3954210), (3, 2636140), (4, 1977105), (5, 1581684), (6, 1318070), (10, 790842), (12, 659035), (13, 608340), (15, 527228), (20, 395421), (26, 304170), (30, 263614), (39, 202780), (52, 152085), (60, 131807), (65, 121668), (78, 101390), (130, 60834), (156, 50695), (195, 40556), (260, 30417), (390, 20278), (780, 10139)]