640585296

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20129}}^1$

素因数の和:20173

約数の個数: 120

約数和(自身を含む): 2044322280

約数和(自身を除く): 1403736984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 663, 816, 884, 936, 1224, 1326, 1768, 1872, 1989, 2448, 2652, 3536, 3978, 5304, 7956, 10608, 15912, 20129, 31824, 40258, 60387, 80516, 120774, 161032, 181161, 241548, 261677, 322064, 342193, 362322, 483096, 523354, 684386, 724644, 785031, 966192, 1026579, 1046708, 1368772, 1449288, 1570062, 2053158, 2093416, 2355093, 2737544, 2898576, 3079737, 3140124, 4106316, 4186832, 4448509, 4710186, 5475088, 6159474, 6280248, 8212632, 8897018, 9420372, 12318948, 12560496, 13345527, 16425264, 17794036, 18840744, 24637896, 26691054, 35588072, 37681488, 40036581, 49275792, 53382108, 71176144, 80073162, 106764216, 160146324, 213528432, 320292648, 640585296]

約数ペア:

[(1, 640585296), (2, 320292648), (3, 213528432), (4, 160146324), (6, 106764216), (8, 80073162), (9, 71176144), (12, 53382108), (13, 49275792), (16, 40036581), (17, 37681488), (18, 35588072), (24, 26691054), (26, 24637896), (34, 18840744), (36, 17794036), (39, 16425264), (48, 13345527), (51, 12560496), (52, 12318948), (68, 9420372), (72, 8897018), (78, 8212632), (102, 6280248), (104, 6159474), (117, 5475088), (136, 4710186), (144, 4448509), (153, 4186832), (156, 4106316), (204, 3140124), (208, 3079737), (221, 2898576), (234, 2737544), (272, 2355093), (306, 2093416), (312, 2053158), (408, 1570062), (442, 1449288), (468, 1368772), (612, 1046708), (624, 1026579), (663, 966192), (816, 785031), (884, 724644), (936, 684386), (1224, 523354), (1326, 483096), (1768, 362322), (1872, 342193), (1989, 322064), (2448, 261677), (2652, 241548), (3536, 181161), (3978, 161032), (5304, 120774), (7956, 80516), (10608, 60387), (15912, 40258), (20129, 31824)]