1657458520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1\times {\mathrm{1993}}^1$

素因数の和:3244

約数の個数: 64

約数和(自身を含む): 3953862720

約数和(自身を除く): 2296404200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1223, 1993, 2446, 3986, 4892, 6115, 7972, 9784, 9965, 12230, 15944, 19930, 20791, 24460, 33881, 39860, 41582, 48920, 67762, 79720, 83164, 103955, 135524, 166328, 169405, 207910, 271048, 338810, 415820, 677620, 831640, 1355240, 2437439, 4874878, 9749756, 12187195, 19499512, 24374390, 41436463, 48748780, 82872926, 97497560, 165745852, 207182315, 331491704, 414364630, 828729260, 1657458520]

約数ペア:

[(1, 1657458520), (2, 828729260), (4, 414364630), (5, 331491704), (8, 207182315), (10, 165745852), (17, 97497560), (20, 82872926), (34, 48748780), (40, 41436463), (68, 24374390), (85, 19499512), (136, 12187195), (170, 9749756), (340, 4874878), (680, 2437439), (1223, 1355240), (1993, 831640), (2446, 677620), (3986, 415820), (4892, 338810), (6115, 271048), (7972, 207910), (9784, 169405), (9965, 166328), (12230, 135524), (15944, 103955), (19930, 83164), (20791, 79720), (24460, 67762), (33881, 48920), (39860, 41582)]