189728880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71867}}^1$

素因数の和:71894

約数の個数: 80

約数和(自身を含む): 641637504

約数和(自身を除く): 451908624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 71867, 143734, 215601, 287468, 359335, 431202, 574936, 718670, 790537, 862404, 1078005, 1149872, 1437340, 1581074, 1724808, 2156010, 2371611, 2874680, 3162148, 3449616, 3952685, 4312020, 4743222, 5749360, 6324296, 7905370, 8624040, 9486444, 11858055, 12648592, 15810740, 17248080, 18972888, 23716110, 31621480, 37945776, 47432220, 63242960, 94864440, 189728880]

約数ペア:

[(1, 189728880), (2, 94864440), (3, 63242960), (4, 47432220), (5, 37945776), (6, 31621480), (8, 23716110), (10, 18972888), (11, 17248080), (12, 15810740), (15, 12648592), (16, 11858055), (20, 9486444), (22, 8624040), (24, 7905370), (30, 6324296), (33, 5749360), (40, 4743222), (44, 4312020), (48, 3952685), (55, 3449616), (60, 3162148), (66, 2874680), (80, 2371611), (88, 2156010), (110, 1724808), (120, 1581074), (132, 1437340), (165, 1149872), (176, 1078005), (220, 862404), (240, 790537), (264, 718670), (330, 574936), (440, 431202), (528, 359335), (660, 287468), (880, 215601), (1320, 143734), (2640, 71867)]