66669560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 155869920

約数和(自身を除く): 89200360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 148, 185, 214, 296, 370, 421, 428, 535, 740, 842, 856, 1070, 1480, 1684, 2105, 2140, 3368, 3959, 4210, 4280, 7918, 8420, 15577, 15836, 16840, 19795, 31154, 31672, 39590, 45047, 62308, 77885, 79180, 90094, 124616, 155770, 158360, 180188, 225235, 311540, 360376, 450470, 623080, 900940, 1666739, 1801880, 3333478, 6666956, 8333695, 13333912, 16667390, 33334780, 66669560]

約数ペア:

[(1, 66669560), (2, 33334780), (4, 16667390), (5, 13333912), (8, 8333695), (10, 6666956), (20, 3333478), (37, 1801880), (40, 1666739), (74, 900940), (107, 623080), (148, 450470), (185, 360376), (214, 311540), (296, 225235), (370, 180188), (421, 158360), (428, 155770), (535, 124616), (740, 90094), (842, 79180), (856, 77885), (1070, 62308), (1480, 45047), (1684, 39590), (2105, 31672), (2140, 31154), (3368, 19795), (3959, 16840), (4210, 15836), (4280, 15577), (7918, 8420)]