64672020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{1901}}^1$

素因数の和:1932

約数の個数: 144

約数和(自身を含む): 232622208

約数和(自身を除く): 167950188

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, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 1901, 2268, 2430, 2835, 3402, 3780, 3802, 4860, 5670, 5703, 6804, 7604, 8505, 9505, 11340, 11406, 13307, 17010, 17109, 19010, 22812, 26614, 28515, 34020, 34218, 38020, 39921, 51327, 53228, 57030, 66535, 68436, 79842, 85545, 102654, 114060, 119763, 133070, 153981, 159684, 171090, 199605, 205308, 239526, 256635, 266140, 307962, 342180, 359289, 399210, 461943, 479052, 513270, 598815, 615924, 718578, 769905, 798420, 923886, 1026540, 1077867, 1197630, 1437156, 1539810, 1796445, 1847772, 2155734, 2309715, 2395260, 3079620, 3233601, 3592890, 4311468, 4619430, 5389335, 6467202, 7185780, 9238860, 10778670, 12934404, 16168005, 21557340, 32336010, 64672020]

約数ペア:

[(1, 64672020), (2, 32336010), (3, 21557340), (4, 16168005), (5, 12934404), (6, 10778670), (7, 9238860), (9, 7185780), (10, 6467202), (12, 5389335), (14, 4619430), (15, 4311468), (18, 3592890), (20, 3233601), (21, 3079620), (27, 2395260), (28, 2309715), (30, 2155734), (35, 1847772), (36, 1796445), (42, 1539810), (45, 1437156), (54, 1197630), (60, 1077867), (63, 1026540), (70, 923886), (81, 798420), (84, 769905), (90, 718578), (105, 615924), (108, 598815), (126, 513270), (135, 479052), (140, 461943), (162, 399210), (180, 359289), (189, 342180), (210, 307962), (243, 266140), (252, 256635), (270, 239526), (315, 205308), (324, 199605), (378, 171090), (405, 159684), (420, 153981), (486, 133070), (540, 119763), (567, 114060), (630, 102654), (756, 85545), (810, 79842), (945, 68436), (972, 66535), (1134, 57030), (1215, 53228), (1260, 51327), (1620, 39921), (1701, 38020), (1890, 34218), (1901, 34020), (2268, 28515), (2430, 26614), (2835, 22812), (3402, 19010), (3780, 17109), (3802, 17010), (4860, 13307), (5670, 11406), (5703, 11340), (6804, 9505), (7604, 8505)]