156622840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2389}}^1$

素因数の和:2560

約数の個数: 64

約数和(自身を含む): 387180000

約数和(自身を除く): 230557160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 2389, 2980, 3278, 4778, 5960, 6556, 8195, 9556, 11945, 13112, 16390, 19112, 23890, 26279, 32780, 47780, 52558, 65560, 95560, 105116, 131395, 210232, 262790, 355961, 525580, 711922, 1051160, 1423844, 1779805, 2847688, 3559610, 3915571, 7119220, 7831142, 14238440, 15662284, 19577855, 31324568, 39155710, 78311420, 156622840]

約数ペア:

[(1, 156622840), (2, 78311420), (4, 39155710), (5, 31324568), (8, 19577855), (10, 15662284), (11, 14238440), (20, 7831142), (22, 7119220), (40, 3915571), (44, 3559610), (55, 2847688), (88, 1779805), (110, 1423844), (149, 1051160), (220, 711922), (298, 525580), (440, 355961), (596, 262790), (745, 210232), (1192, 131395), (1490, 105116), (1639, 95560), (2389, 65560), (2980, 52558), (3278, 47780), (4778, 32780), (5960, 26279), (6556, 23890), (8195, 19112), (9556, 16390), (11945, 13112)]