651412920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4271}}^1$

素因数の和:4357

約数の個数: 128

約数和(自身を含む): 2066964480

約数和(自身を除く): 1415551560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 820, 930, 984, 1230, 1240, 1271, 1640, 1860, 2460, 2542, 3720, 3813, 4271, 4920, 5084, 6355, 7626, 8542, 10168, 12710, 12813, 15252, 17084, 19065, 21355, 25420, 25626, 30504, 34168, 38130, 42710, 50840, 51252, 64065, 76260, 85420, 102504, 128130, 132401, 152520, 170840, 175111, 256260, 264802, 350222, 397203, 512520, 525333, 529604, 662005, 700444, 794406, 875555, 1050666, 1059208, 1324010, 1400888, 1588812, 1751110, 1986015, 2101332, 2626665, 2648020, 3177624, 3502220, 3972030, 4202664, 5253330, 5296040, 5428441, 7004440, 7944060, 10506660, 10856882, 15888120, 16285323, 21013320, 21713764, 27142205, 32570646, 43427528, 54284410, 65141292, 81426615, 108568820, 130282584, 162853230, 217137640, 325706460, 651412920]

約数ペア:

[(1, 651412920), (2, 325706460), (3, 217137640), (4, 162853230), (5, 130282584), (6, 108568820), (8, 81426615), (10, 65141292), (12, 54284410), (15, 43427528), (20, 32570646), (24, 27142205), (30, 21713764), (31, 21013320), (40, 16285323), (41, 15888120), (60, 10856882), (62, 10506660), (82, 7944060), (93, 7004440), (120, 5428441), (123, 5296040), (124, 5253330), (155, 4202664), (164, 3972030), (186, 3502220), (205, 3177624), (246, 2648020), (248, 2626665), (310, 2101332), (328, 1986015), (372, 1751110), (410, 1588812), (465, 1400888), (492, 1324010), (615, 1059208), (620, 1050666), (744, 875555), (820, 794406), (930, 700444), (984, 662005), (1230, 529604), (1240, 525333), (1271, 512520), (1640, 397203), (1860, 350222), (2460, 264802), (2542, 256260), (3720, 175111), (3813, 170840), (4271, 152520), (4920, 132401), (5084, 128130), (6355, 102504), (7626, 85420), (8542, 76260), (10168, 64065), (12710, 51252), (12813, 50840), (15252, 42710), (17084, 38130), (19065, 34168), (21355, 30504), (25420, 25626)]