30637880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 89510400

約数和(自身を除く): 58872520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 443, 455, 494, 520, 532, 665, 728, 760, 886, 910, 988, 1064, 1235, 1330, 1729, 1772, 1820, 1976, 2215, 2470, 2660, 3101, 3458, 3544, 3640, 4430, 4940, 5320, 5759, 6202, 6916, 8417, 8645, 8860, 9880, 11518, 12404, 13832, 15505, 16834, 17290, 17720, 23036, 24808, 28795, 31010, 33668, 34580, 40313, 42085, 46072, 57590, 58919, 62020, 67336, 69160, 80626, 84170, 109421, 115180, 117838, 124040, 161252, 168340, 201565, 218842, 230360, 235676, 294595, 322504, 336680, 403130, 437684, 471352, 547105, 589190, 765947, 806260, 875368, 1094210, 1178380, 1531894, 1612520, 2188420, 2356760, 3063788, 3829735, 4376840, 6127576, 7659470, 15318940, 30637880]

約数ペア:

[(1, 30637880), (2, 15318940), (4, 7659470), (5, 6127576), (7, 4376840), (8, 3829735), (10, 3063788), (13, 2356760), (14, 2188420), (19, 1612520), (20, 1531894), (26, 1178380), (28, 1094210), (35, 875368), (38, 806260), (40, 765947), (52, 589190), (56, 547105), (65, 471352), (70, 437684), (76, 403130), (91, 336680), (95, 322504), (104, 294595), (130, 235676), (133, 230360), (140, 218842), (152, 201565), (182, 168340), (190, 161252), (247, 124040), (260, 117838), (266, 115180), (280, 109421), (364, 84170), (380, 80626), (443, 69160), (455, 67336), (494, 62020), (520, 58919), (532, 57590), (665, 46072), (728, 42085), (760, 40313), (886, 34580), (910, 33668), (988, 31010), (1064, 28795), (1235, 24808), (1330, 23036), (1729, 17720), (1772, 17290), (1820, 16834), (1976, 15505), (2215, 13832), (2470, 12404), (2660, 11518), (3101, 9880), (3458, 8860), (3544, 8645), (3640, 8417), (4430, 6916), (4940, 6202), (5320, 5759)]