640669824

素因数分解:

$2^7\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1100

約数の個数: 160

約数和(自身を含む): 1939792140

約数和(自身を除く): 1299122316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 81, 96, 108, 122, 128, 144, 162, 183, 192, 216, 244, 288, 324, 366, 384, 432, 488, 549, 576, 648, 732, 864, 976, 1013, 1098, 1152, 1296, 1464, 1647, 1728, 1952, 2026, 2196, 2592, 2928, 3039, 3294, 3456, 3904, 4052, 4392, 4941, 5184, 5856, 6078, 6588, 7808, 8104, 8784, 9117, 9882, 10368, 11712, 12156, 13176, 16208, 17568, 18234, 19764, 23424, 24312, 26352, 27351, 32416, 35136, 36468, 39528, 48624, 52704, 54702, 61793, 64832, 70272, 72936, 79056, 82053, 97248, 105408, 109404, 123586, 129664, 145872, 158112, 164106, 185379, 194496, 210816, 218808, 247172, 291744, 316224, 328212, 370758, 388992, 437616, 494344, 556137, 583488, 632448, 656424, 741516, 875232, 988688, 1112274, 1166976, 1312848, 1483032, 1668411, 1750464, 1977376, 2224548, 2625696, 2966064, 3336822, 3500928, 3954752, 4449096, 5005233, 5251392, 5932128, 6673644, 7909504, 8898192, 10010466, 10502784, 11864256, 13347288, 17796384, 20020932, 23728512, 26694576, 35592768, 40041864, 53389152, 71185536, 80083728, 106778304, 160167456, 213556608, 320334912, 640669824]

約数ペア:

[(1, 640669824), (2, 320334912), (3, 213556608), (4, 160167456), (6, 106778304), (8, 80083728), (9, 71185536), (12, 53389152), (16, 40041864), (18, 35592768), (24, 26694576), (27, 23728512), (32, 20020932), (36, 17796384), (48, 13347288), (54, 11864256), (61, 10502784), (64, 10010466), (72, 8898192), (81, 7909504), (96, 6673644), (108, 5932128), (122, 5251392), (128, 5005233), (144, 4449096), (162, 3954752), (183, 3500928), (192, 3336822), (216, 2966064), (244, 2625696), (288, 2224548), (324, 1977376), (366, 1750464), (384, 1668411), (432, 1483032), (488, 1312848), (549, 1166976), (576, 1112274), (648, 988688), (732, 875232), (864, 741516), (976, 656424), (1013, 632448), (1098, 583488), (1152, 556137), (1296, 494344), (1464, 437616), (1647, 388992), (1728, 370758), (1952, 328212), (2026, 316224), (2196, 291744), (2592, 247172), (2928, 218808), (3039, 210816), (3294, 194496), (3456, 185379), (3904, 164106), (4052, 158112), (4392, 145872), (4941, 129664), (5184, 123586), (5856, 109404), (6078, 105408), (6588, 97248), (7808, 82053), (8104, 79056), (8784, 72936), (9117, 70272), (9882, 64832), (10368, 61793), (11712, 54702), (12156, 52704), (13176, 48624), (16208, 39528), (17568, 36468), (18234, 35136), (19764, 32416), (23424, 27351), (24312, 26352)]