220597920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:827

約数の個数: 144

約数和(自身を含む): 756756000

約数和(自身を除く): 536158080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 307, 360, 480, 499, 614, 720, 921, 998, 1228, 1440, 1497, 1535, 1842, 1996, 2456, 2495, 2763, 2994, 3070, 3684, 3992, 4491, 4605, 4912, 4990, 5526, 5988, 6140, 7368, 7485, 7984, 8982, 9210, 9824, 9980, 11052, 11976, 12280, 13815, 14736, 14970, 15968, 17964, 18420, 19960, 22104, 22455, 23952, 24560, 27630, 29472, 29940, 35928, 36840, 39920, 44208, 44910, 47904, 49120, 55260, 59880, 71856, 73680, 79840, 88416, 89820, 110520, 119760, 143712, 147360, 153193, 179640, 221040, 239520, 306386, 359280, 442080, 459579, 612772, 718560, 765965, 919158, 1225544, 1378737, 1531930, 1838316, 2297895, 2451088, 2757474, 3063860, 3676632, 4595790, 4902176, 5514948, 6127720, 6893685, 7353264, 9191580, 11029896, 12255440, 13787370, 14706528, 18383160, 22059792, 24510880, 27574740, 36766320, 44119584, 55149480, 73532640, 110298960, 220597920]

約数ペア:

[(1, 220597920), (2, 110298960), (3, 73532640), (4, 55149480), (5, 44119584), (6, 36766320), (8, 27574740), (9, 24510880), (10, 22059792), (12, 18383160), (15, 14706528), (16, 13787370), (18, 12255440), (20, 11029896), (24, 9191580), (30, 7353264), (32, 6893685), (36, 6127720), (40, 5514948), (45, 4902176), (48, 4595790), (60, 3676632), (72, 3063860), (80, 2757474), (90, 2451088), (96, 2297895), (120, 1838316), (144, 1531930), (160, 1378737), (180, 1225544), (240, 919158), (288, 765965), (307, 718560), (360, 612772), (480, 459579), (499, 442080), (614, 359280), (720, 306386), (921, 239520), (998, 221040), (1228, 179640), (1440, 153193), (1497, 147360), (1535, 143712), (1842, 119760), (1996, 110520), (2456, 89820), (2495, 88416), (2763, 79840), (2994, 73680), (3070, 71856), (3684, 59880), (3992, 55260), (4491, 49120), (4605, 47904), (4912, 44910), (4990, 44208), (5526, 39920), (5988, 36840), (6140, 35928), (7368, 29940), (7485, 29472), (7984, 27630), (8982, 24560), (9210, 23952), (9824, 22455), (9980, 22104), (11052, 19960), (11976, 18420), (12280, 17964), (13815, 15968), (14736, 14970)]