15318940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 41771520

約数和(自身を除く): 26452580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 443, 455, 494, 532, 665, 886, 910, 988, 1235, 1330, 1729, 1772, 1820, 2215, 2470, 2660, 3101, 3458, 4430, 4940, 5759, 6202, 6916, 8417, 8645, 8860, 11518, 12404, 15505, 16834, 17290, 23036, 28795, 31010, 33668, 34580, 40313, 42085, 57590, 58919, 62020, 80626, 84170, 109421, 115180, 117838, 161252, 168340, 201565, 218842, 235676, 294595, 403130, 437684, 547105, 589190, 765947, 806260, 1094210, 1178380, 1531894, 2188420, 3063788, 3829735, 7659470, 15318940]

約数ペア:

[(1, 15318940), (2, 7659470), (4, 3829735), (5, 3063788), (7, 2188420), (10, 1531894), (13, 1178380), (14, 1094210), (19, 806260), (20, 765947), (26, 589190), (28, 547105), (35, 437684), (38, 403130), (52, 294595), (65, 235676), (70, 218842), (76, 201565), (91, 168340), (95, 161252), (130, 117838), (133, 115180), (140, 109421), (182, 84170), (190, 80626), (247, 62020), (260, 58919), (266, 57590), (364, 42085), (380, 40313), (443, 34580), (455, 33668), (494, 31010), (532, 28795), (665, 23036), (886, 17290), (910, 16834), (988, 15505), (1235, 12404), (1330, 11518), (1729, 8860), (1772, 8645), (1820, 8417), (2215, 6916), (2470, 6202), (2660, 5759), (3101, 4940), (3458, 4430)]