720897760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2749}}^1$

素因数の和:2924

約数の個数: 96

約数和(自身を含む): 1871100000

約数和(自身を除く): 1150202240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 149, 160, 176, 220, 298, 352, 440, 596, 745, 880, 1192, 1490, 1639, 1760, 2384, 2749, 2980, 3278, 4768, 5498, 5960, 6556, 8195, 10996, 11920, 13112, 13745, 16390, 21992, 23840, 26224, 27490, 30239, 32780, 43984, 52448, 54980, 60478, 65560, 87968, 109960, 120956, 131120, 151195, 219920, 241912, 262240, 302390, 409601, 439840, 483824, 604780, 819202, 967648, 1209560, 1638404, 2048005, 2419120, 3276808, 4096010, 4505611, 4838240, 6553616, 8192020, 9011222, 13107232, 16384040, 18022444, 22528055, 32768080, 36044888, 45056110, 65536160, 72089776, 90112220, 144179552, 180224440, 360448880, 720897760]

約数ペア:

[(1, 720897760), (2, 360448880), (4, 180224440), (5, 144179552), (8, 90112220), (10, 72089776), (11, 65536160), (16, 45056110), (20, 36044888), (22, 32768080), (32, 22528055), (40, 18022444), (44, 16384040), (55, 13107232), (80, 9011222), (88, 8192020), (110, 6553616), (149, 4838240), (160, 4505611), (176, 4096010), (220, 3276808), (298, 2419120), (352, 2048005), (440, 1638404), (596, 1209560), (745, 967648), (880, 819202), (1192, 604780), (1490, 483824), (1639, 439840), (1760, 409601), (2384, 302390), (2749, 262240), (2980, 241912), (3278, 219920), (4768, 151195), (5498, 131120), (5960, 120956), (6556, 109960), (8195, 87968), (10996, 65560), (11920, 60478), (13112, 54980), (13745, 52448), (16390, 43984), (21992, 32780), (23840, 30239), (26224, 27490)]