7440420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9539}}^1$

素因数の和:9564

約数の個数: 48

約数和(自身を含む): 22438080

約数和(自身を除く): 14997660

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, 9539, 19078, 28617, 38156, 47695, 57234, 95390, 114468, 124007, 143085, 190780, 248014, 286170, 372021, 496028, 572340, 620035, 744042, 1240070, 1488084, 1860105, 2480140, 3720210, 7440420]

約数ペア:

[(1, 7440420), (2, 3720210), (3, 2480140), (4, 1860105), (5, 1488084), (6, 1240070), (10, 744042), (12, 620035), (13, 572340), (15, 496028), (20, 372021), (26, 286170), (30, 248014), (39, 190780), (52, 143085), (60, 124007), (65, 114468), (78, 95390), (130, 57234), (156, 47695), (195, 38156), (260, 28617), (390, 19078), (780, 9539)]