10240020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 216

約数和(自身を含む): 38342304

約数和(自身を除く): 28102284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 49, 54, 60, 63, 70, 81, 84, 86, 90, 98, 105, 108, 126, 129, 135, 140, 147, 162, 172, 180, 189, 196, 210, 215, 243, 245, 252, 258, 270, 294, 301, 315, 324, 378, 387, 405, 420, 430, 441, 486, 490, 516, 540, 567, 588, 602, 630, 645, 735, 756, 774, 810, 860, 882, 903, 945, 972, 980, 1134, 1161, 1204, 1215, 1260, 1290, 1323, 1470, 1505, 1548, 1620, 1701, 1764, 1806, 1890, 1935, 2107, 2205, 2268, 2322, 2430, 2580, 2646, 2709, 2835, 2940, 3010, 3402, 3483, 3612, 3780, 3870, 3969, 4214, 4410, 4515, 4644, 4860, 5292, 5418, 5670, 5805, 6020, 6321, 6615, 6804, 6966, 7740, 7938, 8127, 8428, 8505, 8820, 9030, 10449, 10535, 10836, 11340, 11610, 11907, 12642, 13230, 13545, 13932, 15876, 16254, 17010, 17415, 18060, 18963, 19845, 20898, 21070, 23220, 23814, 24381, 25284, 26460, 27090, 31605, 32508, 34020, 34830, 37926, 39690, 40635, 41796, 42140, 47628, 48762, 52245, 54180, 56889, 59535, 63210, 69660, 73143, 75852, 79380, 81270, 94815, 97524, 104490, 113778, 119070, 121905, 126420, 146286, 162540, 170667, 189630, 208980, 227556, 238140, 243810, 284445, 292572, 341334, 365715, 379260, 487620, 512001, 568890, 682668, 731430, 853335, 1024002, 1137780, 1462860, 1706670, 2048004, 2560005, 3413340, 5120010, 10240020]

約数ペア:

[(1, 10240020), (2, 5120010), (3, 3413340), (4, 2560005), (5, 2048004), (6, 1706670), (7, 1462860), (9, 1137780), (10, 1024002), (12, 853335), (14, 731430), (15, 682668), (18, 568890), (20, 512001), (21, 487620), (27, 379260), (28, 365715), (30, 341334), (35, 292572), (36, 284445), (42, 243810), (43, 238140), (45, 227556), (49, 208980), (54, 189630), (60, 170667), (63, 162540), (70, 146286), (81, 126420), (84, 121905), (86, 119070), (90, 113778), (98, 104490), (105, 97524), (108, 94815), (126, 81270), (129, 79380), (135, 75852), (140, 73143), (147, 69660), (162, 63210), (172, 59535), (180, 56889), (189, 54180), (196, 52245), (210, 48762), (215, 47628), (243, 42140), (245, 41796), (252, 40635), (258, 39690), (270, 37926), (294, 34830), (301, 34020), (315, 32508), (324, 31605), (378, 27090), (387, 26460), (405, 25284), (420, 24381), (430, 23814), (441, 23220), (486, 21070), (490, 20898), (516, 19845), (540, 18963), (567, 18060), (588, 17415), (602, 17010), (630, 16254), (645, 15876), (735, 13932), (756, 13545), (774, 13230), (810, 12642), (860, 11907), (882, 11610), (903, 11340), (945, 10836), (972, 10535), (980, 10449), (1134, 9030), (1161, 8820), (1204, 8505), (1215, 8428), (1260, 8127), (1290, 7938), (1323, 7740), (1470, 6966), (1505, 6804), (1548, 6615), (1620, 6321), (1701, 6020), (1764, 5805), (1806, 5670), (1890, 5418), (1935, 5292), (2107, 4860), (2205, 4644), (2268, 4515), (2322, 4410), (2430, 4214), (2580, 3969), (2646, 3870), (2709, 3780), (2835, 3612), (2940, 3483), (3010, 3402)]