64203880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 165473280

約数和(自身を除く): 101269400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 47, 52, 65, 71, 74, 94, 104, 130, 142, 148, 185, 188, 235, 260, 284, 296, 355, 370, 376, 470, 481, 520, 568, 611, 710, 740, 923, 940, 962, 1222, 1420, 1480, 1739, 1846, 1880, 1924, 2405, 2444, 2627, 2840, 3055, 3337, 3478, 3692, 3848, 4615, 4810, 4888, 5254, 6110, 6674, 6956, 7384, 8695, 9230, 9620, 10508, 12220, 13135, 13348, 13912, 16685, 17390, 18460, 19240, 21016, 22607, 24440, 26270, 26696, 33370, 34151, 34780, 36920, 43381, 45214, 52540, 66740, 68302, 69560, 86762, 90428, 105080, 113035, 123469, 133480, 136604, 170755, 173524, 180856, 216905, 226070, 246938, 273208, 341510, 347048, 433810, 452140, 493876, 617345, 683020, 867620, 904280, 987752, 1234690, 1366040, 1605097, 1735240, 2469380, 3210194, 4938760, 6420388, 8025485, 12840776, 16050970, 32101940, 64203880]

約数ペア:

[(1, 64203880), (2, 32101940), (4, 16050970), (5, 12840776), (8, 8025485), (10, 6420388), (13, 4938760), (20, 3210194), (26, 2469380), (37, 1735240), (40, 1605097), (47, 1366040), (52, 1234690), (65, 987752), (71, 904280), (74, 867620), (94, 683020), (104, 617345), (130, 493876), (142, 452140), (148, 433810), (185, 347048), (188, 341510), (235, 273208), (260, 246938), (284, 226070), (296, 216905), (355, 180856), (370, 173524), (376, 170755), (470, 136604), (481, 133480), (520, 123469), (568, 113035), (611, 105080), (710, 90428), (740, 86762), (923, 69560), (940, 68302), (962, 66740), (1222, 52540), (1420, 45214), (1480, 43381), (1739, 36920), (1846, 34780), (1880, 34151), (1924, 33370), (2405, 26696), (2444, 26270), (2627, 24440), (2840, 22607), (3055, 21016), (3337, 19240), (3478, 18460), (3692, 17390), (3848, 16685), (4615, 13912), (4810, 13348), (4888, 13135), (5254, 12220), (6110, 10508), (6674, 9620), (6956, 9230), (7384, 8695)]