16789640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 43925760

約数和(自身を除く): 27136120

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, 854, 983, 1220, 1708, 1966, 2135, 2440, 3416, 3932, 4270, 4915, 6881, 7864, 8540, 9830, 13762, 17080, 19660, 27524, 34405, 39320, 55048, 59963, 68810, 119926, 137620, 239852, 275240, 299815, 419741, 479704, 599630, 839482, 1199260, 1678964, 2098705, 2398520, 3357928, 4197410, 8394820, 16789640]

約数ペア:

[(1, 16789640), (2, 8394820), (4, 4197410), (5, 3357928), (7, 2398520), (8, 2098705), (10, 1678964), (14, 1199260), (20, 839482), (28, 599630), (35, 479704), (40, 419741), (56, 299815), (61, 275240), (70, 239852), (122, 137620), (140, 119926), (244, 68810), (280, 59963), (305, 55048), (427, 39320), (488, 34405), (610, 27524), (854, 19660), (983, 17080), (1220, 13762), (1708, 9830), (1966, 8540), (2135, 7864), (2440, 6881), (3416, 4915), (3932, 4270)]