53517520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 143169408

約数和(自身を除く): 89651888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 421, 454, 560, 842, 908, 1135, 1589, 1684, 1816, 2105, 2270, 2947, 3178, 3368, 3632, 4210, 4540, 5894, 6356, 6736, 7945, 8420, 9080, 11788, 12712, 14735, 15890, 16840, 18160, 23576, 25424, 29470, 31780, 33680, 47152, 58940, 63560, 95567, 117880, 127120, 191134, 235760, 382268, 477835, 668969, 764536, 955670, 1337938, 1529072, 1911340, 2675876, 3344845, 3822680, 5351752, 6689690, 7645360, 10703504, 13379380, 26758760, 53517520]

約数ペア:

[(1, 53517520), (2, 26758760), (4, 13379380), (5, 10703504), (7, 7645360), (8, 6689690), (10, 5351752), (14, 3822680), (16, 3344845), (20, 2675876), (28, 1911340), (35, 1529072), (40, 1337938), (56, 955670), (70, 764536), (80, 668969), (112, 477835), (140, 382268), (227, 235760), (280, 191134), (421, 127120), (454, 117880), (560, 95567), (842, 63560), (908, 58940), (1135, 47152), (1589, 33680), (1684, 31780), (1816, 29470), (2105, 25424), (2270, 23576), (2947, 18160), (3178, 16840), (3368, 15890), (3632, 14735), (4210, 12712), (4540, 11788), (5894, 9080), (6356, 8420), (6736, 7945)]