20155702960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2127

約数の個数: 160

約数和(自身を含む): 49973230080

約数和(自身を除く): 29817527120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 73, 80, 116, 122, 145, 146, 232, 244, 290, 292, 305, 365, 464, 488, 580, 584, 610, 730, 976, 1160, 1168, 1220, 1460, 1769, 1951, 2117, 2320, 2440, 2920, 3538, 3902, 4234, 4453, 4880, 5840, 7076, 7804, 8468, 8845, 8906, 9755, 10585, 14152, 15608, 16936, 17690, 17812, 19510, 21170, 22265, 28304, 31216, 33872, 35380, 35624, 39020, 42340, 44530, 56579, 70760, 71248, 78040, 84680, 89060, 113158, 119011, 129137, 141520, 142423, 156080, 169360, 178120, 226316, 238022, 258274, 282895, 284846, 356240, 452632, 476044, 516548, 565790, 569692, 595055, 645685, 712115, 905264, 952088, 1033096, 1131580, 1139384, 1190110, 1291370, 1424230, 1904176, 2066192, 2263160, 2278768, 2380220, 2582740, 2848460, 3451319, 4130267, 4526320, 4760440, 5165480, 5696920, 6902638, 8260534, 8687803, 9520880, 10330960, 11393840, 13805276, 16521068, 17256595, 17375606, 20651335, 27610552, 33042136, 34513190, 34751212, 41302670, 43439015, 55221104, 66084272, 69026380, 69502424, 82605340, 86878030, 138052760, 139004848, 165210680, 173756060, 251946287, 276105520, 330421360, 347512120, 503892574, 695024240, 1007785148, 1259731435, 2015570296, 2519462870, 4031140592, 5038925740, 10077851480, 20155702960]

約数ペア:

[(1, 20155702960), (2, 10077851480), (4, 5038925740), (5, 4031140592), (8, 2519462870), (10, 2015570296), (16, 1259731435), (20, 1007785148), (29, 695024240), (40, 503892574), (58, 347512120), (61, 330421360), (73, 276105520), (80, 251946287), (116, 173756060), (122, 165210680), (145, 139004848), (146, 138052760), (232, 86878030), (244, 82605340), (290, 69502424), (292, 69026380), (305, 66084272), (365, 55221104), (464, 43439015), (488, 41302670), (580, 34751212), (584, 34513190), (610, 33042136), (730, 27610552), (976, 20651335), (1160, 17375606), (1168, 17256595), (1220, 16521068), (1460, 13805276), (1769, 11393840), (1951, 10330960), (2117, 9520880), (2320, 8687803), (2440, 8260534), (2920, 6902638), (3538, 5696920), (3902, 5165480), (4234, 4760440), (4453, 4526320), (4880, 4130267), (5840, 3451319), (7076, 2848460), (7804, 2582740), (8468, 2380220), (8845, 2278768), (8906, 2263160), (9755, 2066192), (10585, 1904176), (14152, 1424230), (15608, 1291370), (16936, 1190110), (17690, 1139384), (17812, 1131580), (19510, 1033096), (21170, 952088), (22265, 905264), (28304, 712115), (31216, 645685), (33872, 595055), (35380, 569692), (35624, 565790), (39020, 516548), (42340, 476044), (44530, 452632), (56579, 356240), (70760, 284846), (71248, 282895), (78040, 258274), (84680, 238022), (89060, 226316), (113158, 178120), (119011, 169360), (129137, 156080), (141520, 142423)]