64620140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 156549120

約数和(自身を除く): 91928980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 103, 127, 130, 190, 206, 247, 254, 260, 380, 412, 494, 508, 515, 635, 988, 1030, 1235, 1270, 1339, 1651, 1957, 2060, 2413, 2470, 2540, 2678, 3302, 3914, 4826, 4940, 5356, 6604, 6695, 7828, 8255, 9652, 9785, 12065, 13081, 13390, 16510, 19570, 24130, 25441, 26162, 26780, 31369, 33020, 39140, 48260, 50882, 52324, 62738, 65405, 101764, 125476, 127205, 130810, 156845, 170053, 248539, 254410, 261620, 313690, 340106, 497078, 508820, 627380, 680212, 850265, 994156, 1242695, 1700530, 2485390, 3231007, 3401060, 4970780, 6462014, 12924028, 16155035, 32310070, 64620140]

約数ペア:

[(1, 64620140), (2, 32310070), (4, 16155035), (5, 12924028), (10, 6462014), (13, 4970780), (19, 3401060), (20, 3231007), (26, 2485390), (38, 1700530), (52, 1242695), (65, 994156), (76, 850265), (95, 680212), (103, 627380), (127, 508820), (130, 497078), (190, 340106), (206, 313690), (247, 261620), (254, 254410), (260, 248539), (380, 170053), (412, 156845), (494, 130810), (508, 127205), (515, 125476), (635, 101764), (988, 65405), (1030, 62738), (1235, 52324), (1270, 50882), (1339, 48260), (1651, 39140), (1957, 33020), (2060, 31369), (2413, 26780), (2470, 26162), (2540, 25441), (2678, 24130), (3302, 19570), (3914, 16510), (4826, 13390), (4940, 13081), (5356, 12065), (6604, 9785), (6695, 9652), (7828, 8255)]