15672006920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{211441}}^1$

素因数の和:211578

約数の個数: 64

約数和(自身を含む): 37678964400

約数和(自身を除く): 22006957480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1853, 2180, 3706, 4360, 7412, 9265, 14824, 18530, 37060, 74120, 211441, 422882, 845764, 1057205, 1691528, 2114410, 3594497, 4228820, 7188994, 8457640, 14377988, 17972485, 23047069, 28755976, 35944970, 46094138, 71889940, 92188276, 115235345, 143779880, 184376552, 230470690, 391800173, 460941380, 783600346, 921882760, 1567200692, 1959000865, 3134401384, 3918001730, 7836003460, 15672006920]

約数ペア:

[(1, 15672006920), (2, 7836003460), (4, 3918001730), (5, 3134401384), (8, 1959000865), (10, 1567200692), (17, 921882760), (20, 783600346), (34, 460941380), (40, 391800173), (68, 230470690), (85, 184376552), (109, 143779880), (136, 115235345), (170, 92188276), (218, 71889940), (340, 46094138), (436, 35944970), (545, 28755976), (680, 23047069), (872, 17972485), (1090, 14377988), (1853, 8457640), (2180, 7188994), (3706, 4228820), (4360, 3594497), (7412, 2114410), (9265, 1691528), (14824, 1057205), (18530, 845764), (37060, 422882), (74120, 211441)]