8904240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 30466800

約数和(自身を除く): 21562560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 149, 166, 180, 240, 249, 298, 332, 360, 415, 447, 498, 596, 664, 720, 745, 747, 830, 894, 996, 1192, 1245, 1328, 1341, 1490, 1494, 1660, 1788, 1992, 2235, 2384, 2490, 2682, 2980, 2988, 3320, 3576, 3735, 3984, 4470, 4980, 5364, 5960, 5976, 6640, 6705, 7152, 7470, 8940, 9960, 10728, 11920, 11952, 12367, 13410, 14940, 17880, 19920, 21456, 24734, 26820, 29880, 35760, 37101, 49468, 53640, 59760, 61835, 74202, 98936, 107280, 111303, 123670, 148404, 185505, 197872, 222606, 247340, 296808, 371010, 445212, 494680, 556515, 593616, 742020, 890424, 989360, 1113030, 1484040, 1780848, 2226060, 2968080, 4452120, 8904240]

約数ペア:

[(1, 8904240), (2, 4452120), (3, 2968080), (4, 2226060), (5, 1780848), (6, 1484040), (8, 1113030), (9, 989360), (10, 890424), (12, 742020), (15, 593616), (16, 556515), (18, 494680), (20, 445212), (24, 371010), (30, 296808), (36, 247340), (40, 222606), (45, 197872), (48, 185505), (60, 148404), (72, 123670), (80, 111303), (83, 107280), (90, 98936), (120, 74202), (144, 61835), (149, 59760), (166, 53640), (180, 49468), (240, 37101), (249, 35760), (298, 29880), (332, 26820), (360, 24734), (415, 21456), (447, 19920), (498, 17880), (596, 14940), (664, 13410), (720, 12367), (745, 11952), (747, 11920), (830, 10728), (894, 9960), (996, 8940), (1192, 7470), (1245, 7152), (1328, 6705), (1341, 6640), (1490, 5976), (1494, 5960), (1660, 5364), (1788, 4980), (1992, 4470), (2235, 3984), (2384, 3735), (2490, 3576), (2682, 3320), (2980, 2988)]