156944840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7019}}^1$

素因数の和:7086

約数の個数: 64

約数和(自身を含む): 389188800

約数和(自身を除く): 232243960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 7019, 11180, 14038, 22360, 28076, 35095, 56152, 70190, 91247, 140380, 182494, 280760, 301817, 364988, 456235, 603634, 729976, 912470, 1207268, 1509085, 1824940, 2414536, 3018170, 3649880, 3923621, 6036340, 7847242, 12072680, 15694484, 19618105, 31388968, 39236210, 78472420, 156944840]

約数ペア:

[(1, 156944840), (2, 78472420), (4, 39236210), (5, 31388968), (8, 19618105), (10, 15694484), (13, 12072680), (20, 7847242), (26, 6036340), (40, 3923621), (43, 3649880), (52, 3018170), (65, 2414536), (86, 1824940), (104, 1509085), (130, 1207268), (172, 912470), (215, 729976), (260, 603634), (344, 456235), (430, 364988), (520, 301817), (559, 280760), (860, 182494), (1118, 140380), (1720, 91247), (2236, 70190), (2795, 56152), (4472, 35095), (5590, 28076), (7019, 22360), (11180, 14038)]