620536140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{54721}}^1$

素因数の和:54749

約数の個数: 120

約数和(自身を含む): 2224777632

約数和(自身を除く): 1604241492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 54721, 109442, 164163, 218884, 273605, 328326, 383047, 492489, 547210, 656652, 766094, 820815, 984978, 1094420, 1149141, 1477467, 1532188, 1641630, 1915235, 1969956, 2298282, 2462445, 2954934, 3283260, 3447423, 3830470, 4432401, 4596564, 4924890, 5745705, 5909868, 6894846, 7387335, 7660940, 8864802, 9849780, 10342269, 11491410, 13789692, 14774670, 17237115, 17729604, 20684538, 22162005, 22982820, 29549340, 31026807, 34474230, 41369076, 44324010, 51711345, 62053614, 68948460, 88648020, 103422690, 124107228, 155134035, 206845380, 310268070, 620536140]

約数ペア:

[(1, 620536140), (2, 310268070), (3, 206845380), (4, 155134035), (5, 124107228), (6, 103422690), (7, 88648020), (9, 68948460), (10, 62053614), (12, 51711345), (14, 44324010), (15, 41369076), (18, 34474230), (20, 31026807), (21, 29549340), (27, 22982820), (28, 22162005), (30, 20684538), (35, 17729604), (36, 17237115), (42, 14774670), (45, 13789692), (54, 11491410), (60, 10342269), (63, 9849780), (70, 8864802), (81, 7660940), (84, 7387335), (90, 6894846), (105, 5909868), (108, 5745705), (126, 4924890), (135, 4596564), (140, 4432401), (162, 3830470), (180, 3447423), (189, 3283260), (210, 2954934), (252, 2462445), (270, 2298282), (315, 1969956), (324, 1915235), (378, 1641630), (405, 1532188), (420, 1477467), (540, 1149141), (567, 1094420), (630, 984978), (756, 820815), (810, 766094), (945, 656652), (1134, 547210), (1260, 492489), (1620, 383047), (1890, 328326), (2268, 273605), (2835, 218884), (3780, 164163), (5670, 109442), (11340, 54721)]