65247520

素因数分解:

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

素因数の和:187

約数の個数: 144

約数和(自身を含む): 177085440

約数和(自身を除く): 111837920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 127, 130, 152, 160, 169, 190, 208, 247, 254, 260, 304, 338, 380, 416, 494, 508, 520, 608, 635, 676, 760, 845, 988, 1016, 1040, 1235, 1270, 1352, 1520, 1651, 1690, 1976, 2032, 2080, 2413, 2470, 2540, 2704, 3040, 3211, 3302, 3380, 3952, 4064, 4826, 4940, 5080, 5408, 6422, 6604, 6760, 7904, 8255, 9652, 9880, 10160, 12065, 12844, 13208, 13520, 16055, 16510, 19304, 19760, 20320, 21463, 24130, 25688, 26416, 27040, 31369, 32110, 33020, 38608, 39520, 42926, 48260, 51376, 52832, 62738, 64220, 66040, 77216, 85852, 96520, 102752, 107315, 125476, 128440, 132080, 156845, 171704, 193040, 214630, 250952, 256880, 264160, 313690, 343408, 386080, 407797, 429260, 501904, 513760, 627380, 686816, 815594, 858520, 1003808, 1254760, 1631188, 1717040, 2038985, 2509520, 3262376, 3434080, 4077970, 5019040, 6524752, 8155940, 13049504, 16311880, 32623760, 65247520]

約数ペア:

[(1, 65247520), (2, 32623760), (4, 16311880), (5, 13049504), (8, 8155940), (10, 6524752), (13, 5019040), (16, 4077970), (19, 3434080), (20, 3262376), (26, 2509520), (32, 2038985), (38, 1717040), (40, 1631188), (52, 1254760), (65, 1003808), (76, 858520), (80, 815594), (95, 686816), (104, 627380), (127, 513760), (130, 501904), (152, 429260), (160, 407797), (169, 386080), (190, 343408), (208, 313690), (247, 264160), (254, 256880), (260, 250952), (304, 214630), (338, 193040), (380, 171704), (416, 156845), (494, 132080), (508, 128440), (520, 125476), (608, 107315), (635, 102752), (676, 96520), (760, 85852), (845, 77216), (988, 66040), (1016, 64220), (1040, 62738), (1235, 52832), (1270, 51376), (1352, 48260), (1520, 42926), (1651, 39520), (1690, 38608), (1976, 33020), (2032, 32110), (2080, 31369), (2413, 27040), (2470, 26416), (2540, 25688), (2704, 24130), (3040, 21463), (3211, 20320), (3302, 19760), (3380, 19304), (3952, 16510), (4064, 16055), (4826, 13520), (4940, 13208), (5080, 12844), (5408, 12065), (6422, 10160), (6604, 9880), (6760, 9652), (7904, 8255)]