1644568020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^2\times {\mathrm{769}}^1$

素因数の和:1002

約数の個数: 108

約数和(自身を含む): 5041256220

約数和(自身を除く): 3396688200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 769, 981, 1090, 1308, 1538, 1635, 1962, 2180, 2307, 3076, 3270, 3845, 3924, 4614, 4905, 6540, 6921, 7690, 9228, 9810, 11535, 11881, 13842, 15380, 19620, 23070, 23762, 27684, 34605, 35643, 46140, 47524, 59405, 69210, 71286, 83821, 106929, 118810, 138420, 142572, 167642, 178215, 213858, 237620, 251463, 335284, 356430, 419105, 427716, 502926, 534645, 712860, 754389, 838210, 1005852, 1069290, 1257315, 1508778, 1676420, 2138580, 2514630, 3017556, 3771945, 5029260, 7543890, 9136489, 15087780, 18272978, 27409467, 36545956, 45682445, 54818934, 82228401, 91364890, 109637868, 137047335, 164456802, 182729780, 274094670, 328913604, 411142005, 548189340, 822284010, 1644568020]

約数ペア:

[(1, 1644568020), (2, 822284010), (3, 548189340), (4, 411142005), (5, 328913604), (6, 274094670), (9, 182729780), (10, 164456802), (12, 137047335), (15, 109637868), (18, 91364890), (20, 82228401), (30, 54818934), (36, 45682445), (45, 36545956), (60, 27409467), (90, 18272978), (109, 15087780), (180, 9136489), (218, 7543890), (327, 5029260), (436, 3771945), (545, 3017556), (654, 2514630), (769, 2138580), (981, 1676420), (1090, 1508778), (1308, 1257315), (1538, 1069290), (1635, 1005852), (1962, 838210), (2180, 754389), (2307, 712860), (3076, 534645), (3270, 502926), (3845, 427716), (3924, 419105), (4614, 356430), (4905, 335284), (6540, 251463), (6921, 237620), (7690, 213858), (9228, 178215), (9810, 167642), (11535, 142572), (11881, 138420), (13842, 118810), (15380, 106929), (19620, 83821), (23070, 71286), (23762, 69210), (27684, 59405), (34605, 47524), (35643, 46140)]