1520598640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{11597}}^1$

素因数の和:11770

約数の個数: 80

約数和(自身を含む): 3883010400

約数和(自身を除く): 2362411760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 745, 880, 1192, 1490, 1639, 2384, 2980, 3278, 5960, 6556, 8195, 11597, 11920, 13112, 16390, 23194, 26224, 32780, 46388, 57985, 65560, 92776, 115970, 127567, 131120, 185552, 231940, 255134, 463880, 510268, 637835, 927760, 1020536, 1275670, 1727953, 2041072, 2551340, 3455906, 5102680, 6911812, 8639765, 10205360, 13823624, 17279530, 19007483, 27647248, 34559060, 38014966, 69118120, 76029932, 95037415, 138236240, 152059864, 190074830, 304119728, 380149660, 760299320, 1520598640]

約数ペア:

[(1, 1520598640), (2, 760299320), (4, 380149660), (5, 304119728), (8, 190074830), (10, 152059864), (11, 138236240), (16, 95037415), (20, 76029932), (22, 69118120), (40, 38014966), (44, 34559060), (55, 27647248), (80, 19007483), (88, 17279530), (110, 13823624), (149, 10205360), (176, 8639765), (220, 6911812), (298, 5102680), (440, 3455906), (596, 2551340), (745, 2041072), (880, 1727953), (1192, 1275670), (1490, 1020536), (1639, 927760), (2384, 637835), (2980, 510268), (3278, 463880), (5960, 255134), (6556, 231940), (8195, 185552), (11597, 131120), (11920, 127567), (13112, 115970), (16390, 92776), (23194, 65560), (26224, 57985), (32780, 46388)]