189888120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8647}}^1$

素因数の和:8725

約数の個数: 96

約数和(自身を含む): 627325920

約数和(自身を除く): 437437800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 7320, 8647, 10980, 17294, 21960, 25941, 34588, 43235, 51882, 69176, 77823, 86470, 103764, 129705, 155646, 172940, 207528, 259410, 311292, 345880, 389115, 518820, 527467, 622584, 778230, 1037640, 1054934, 1556460, 1582401, 2109868, 2637335, 3112920, 3164802, 4219736, 4747203, 5274670, 6329604, 7912005, 9494406, 10549340, 12659208, 15824010, 18988812, 21098680, 23736015, 31648020, 37977624, 47472030, 63296040, 94944060, 189888120]

約数ペア:

[(1, 189888120), (2, 94944060), (3, 63296040), (4, 47472030), (5, 37977624), (6, 31648020), (8, 23736015), (9, 21098680), (10, 18988812), (12, 15824010), (15, 12659208), (18, 10549340), (20, 9494406), (24, 7912005), (30, 6329604), (36, 5274670), (40, 4747203), (45, 4219736), (60, 3164802), (61, 3112920), (72, 2637335), (90, 2109868), (120, 1582401), (122, 1556460), (180, 1054934), (183, 1037640), (244, 778230), (305, 622584), (360, 527467), (366, 518820), (488, 389115), (549, 345880), (610, 311292), (732, 259410), (915, 207528), (1098, 172940), (1220, 155646), (1464, 129705), (1830, 103764), (2196, 86470), (2440, 77823), (2745, 69176), (3660, 51882), (4392, 43235), (5490, 34588), (7320, 25941), (8647, 21960), (10980, 17294)]