72990120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2855

約数の個数: 128

約数和(自身を含む): 258416640

約数和(自身を除く): 185426520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 2803, 3255, 3720, 4340, 5208, 5606, 6510, 8409, 8680, 11212, 13020, 14015, 16818, 19621, 22424, 26040, 28030, 33636, 39242, 42045, 56060, 58863, 67272, 78484, 84090, 86893, 98105, 112120, 117726, 156968, 168180, 173786, 196210, 235452, 260679, 294315, 336360, 347572, 392420, 434465, 470904, 521358, 588630, 608251, 695144, 784840, 868930, 1042716, 1177260, 1216502, 1303395, 1737860, 1824753, 2085432, 2354520, 2433004, 2606790, 3041255, 3475720, 3649506, 4866008, 5213580, 6082510, 7299012, 9123765, 10427160, 12165020, 14598024, 18247530, 24330040, 36495060, 72990120]

約数ペア:

[(1, 72990120), (2, 36495060), (3, 24330040), (4, 18247530), (5, 14598024), (6, 12165020), (7, 10427160), (8, 9123765), (10, 7299012), (12, 6082510), (14, 5213580), (15, 4866008), (20, 3649506), (21, 3475720), (24, 3041255), (28, 2606790), (30, 2433004), (31, 2354520), (35, 2085432), (40, 1824753), (42, 1737860), (56, 1303395), (60, 1216502), (62, 1177260), (70, 1042716), (84, 868930), (93, 784840), (105, 695144), (120, 608251), (124, 588630), (140, 521358), (155, 470904), (168, 434465), (186, 392420), (210, 347572), (217, 336360), (248, 294315), (280, 260679), (310, 235452), (372, 196210), (420, 173786), (434, 168180), (465, 156968), (620, 117726), (651, 112120), (744, 98105), (840, 86893), (868, 84090), (930, 78484), (1085, 67272), (1240, 58863), (1302, 56060), (1736, 42045), (1860, 39242), (2170, 33636), (2604, 28030), (2803, 26040), (3255, 22424), (3720, 19621), (4340, 16818), (5208, 14015), (5606, 13020), (6510, 11212), (8409, 8680)]