12109720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 31694400

約数和(自身を除く): 19584680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 709, 854, 1220, 1418, 1708, 2135, 2440, 2836, 3416, 3545, 4270, 4963, 5672, 7090, 8540, 9926, 14180, 17080, 19852, 24815, 28360, 39704, 43249, 49630, 86498, 99260, 172996, 198520, 216245, 302743, 345992, 432490, 605486, 864980, 1210972, 1513715, 1729960, 2421944, 3027430, 6054860, 12109720]

約数ペア:

[(1, 12109720), (2, 6054860), (4, 3027430), (5, 2421944), (7, 1729960), (8, 1513715), (10, 1210972), (14, 864980), (20, 605486), (28, 432490), (35, 345992), (40, 302743), (56, 216245), (61, 198520), (70, 172996), (122, 99260), (140, 86498), (244, 49630), (280, 43249), (305, 39704), (427, 28360), (488, 24815), (610, 19852), (709, 17080), (854, 14180), (1220, 9926), (1418, 8540), (1708, 7090), (2135, 5672), (2440, 4963), (2836, 4270), (3416, 3545)]