1290761080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{8521}}^1$

素因数の和:9080

約数の個数: 64

約数和(自身を含む): 3325625280

約数和(自身を除く): 2034864200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 541, 1082, 2164, 2705, 3787, 4328, 5410, 7574, 8521, 10820, 15148, 17042, 18935, 21640, 30296, 34084, 37870, 42605, 59647, 68168, 75740, 85210, 119294, 151480, 170420, 238588, 298235, 340840, 477176, 596470, 1192940, 2385880, 4609861, 9219722, 18439444, 23049305, 32269027, 36878888, 46098610, 64538054, 92197220, 129076108, 161345135, 184394440, 258152216, 322690270, 645380540, 1290761080]

約数ペア:

[(1, 1290761080), (2, 645380540), (4, 322690270), (5, 258152216), (7, 184394440), (8, 161345135), (10, 129076108), (14, 92197220), (20, 64538054), (28, 46098610), (35, 36878888), (40, 32269027), (56, 23049305), (70, 18439444), (140, 9219722), (280, 4609861), (541, 2385880), (1082, 1192940), (2164, 596470), (2705, 477176), (3787, 340840), (4328, 298235), (5410, 238588), (7574, 170420), (8521, 151480), (10820, 119294), (15148, 85210), (17042, 75740), (18935, 68168), (21640, 59647), (30296, 42605), (34084, 37870)]