221873520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:623

約数の個数: 160

約数和(自身を含む): 755665920

約数和(自身を除く): 533792400

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, 229, 240, 264, 330, 367, 440, 458, 528, 660, 687, 734, 880, 916, 1101, 1145, 1320, 1374, 1468, 1832, 1835, 2202, 2290, 2519, 2640, 2748, 2936, 3435, 3664, 3670, 4037, 4404, 4580, 5038, 5496, 5505, 5872, 6870, 7340, 7557, 8074, 8808, 9160, 10076, 10992, 11010, 12111, 12595, 13740, 14680, 15114, 16148, 17616, 18320, 20152, 20185, 22020, 24222, 25190, 27480, 29360, 30228, 32296, 37785, 40304, 40370, 44040, 48444, 50380, 54960, 60456, 60555, 64592, 75570, 80740, 84043, 88080, 96888, 100760, 120912, 121110, 151140, 161480, 168086, 193776, 201520, 242220, 252129, 302280, 322960, 336172, 420215, 484440, 504258, 604560, 672344, 840430, 924473, 968880, 1008516, 1260645, 1344688, 1680860, 1848946, 2017032, 2521290, 2773419, 3361720, 3697892, 4034064, 4622365, 5042580, 5546838, 6723440, 7395784, 9244730, 10085160, 11093676, 13867095, 14791568, 18489460, 20170320, 22187352, 27734190, 36978920, 44374704, 55468380, 73957840, 110936760, 221873520]

約数ペア:

[(1, 221873520), (2, 110936760), (3, 73957840), (4, 55468380), (5, 44374704), (6, 36978920), (8, 27734190), (10, 22187352), (11, 20170320), (12, 18489460), (15, 14791568), (16, 13867095), (20, 11093676), (22, 10085160), (24, 9244730), (30, 7395784), (33, 6723440), (40, 5546838), (44, 5042580), (48, 4622365), (55, 4034064), (60, 3697892), (66, 3361720), (80, 2773419), (88, 2521290), (110, 2017032), (120, 1848946), (132, 1680860), (165, 1344688), (176, 1260645), (220, 1008516), (229, 968880), (240, 924473), (264, 840430), (330, 672344), (367, 604560), (440, 504258), (458, 484440), (528, 420215), (660, 336172), (687, 322960), (734, 302280), (880, 252129), (916, 242220), (1101, 201520), (1145, 193776), (1320, 168086), (1374, 161480), (1468, 151140), (1832, 121110), (1835, 120912), (2202, 100760), (2290, 96888), (2519, 88080), (2640, 84043), (2748, 80740), (2936, 75570), (3435, 64592), (3664, 60555), (3670, 60456), (4037, 54960), (4404, 50380), (4580, 48444), (5038, 44040), (5496, 40370), (5505, 40304), (5872, 37785), (6870, 32296), (7340, 30228), (7557, 29360), (8074, 27480), (8808, 25190), (9160, 24222), (10076, 22020), (10992, 20185), (11010, 20152), (12111, 18320), (12595, 17616), (13740, 16148), (14680, 15114)]