217447920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4951}}^1$

素因数の和:5031

約数の個数: 120

約数和(自身を含む): 742384032

約数和(自身を除く): 524936112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 4951, 5490, 7320, 8784, 9902, 10980, 14640, 14853, 19804, 21960, 24755, 29706, 39608, 43920, 44559, 49510, 59412, 74265, 79216, 89118, 99020, 118824, 148530, 178236, 198040, 222795, 237648, 297060, 302011, 356472, 396080, 445590, 594120, 604022, 712944, 891180, 906033, 1188240, 1208044, 1510055, 1782360, 1812066, 2416088, 2718099, 3020110, 3564720, 3624132, 4530165, 4832176, 5436198, 6040220, 7248264, 9060330, 10872396, 12080440, 13590495, 14496528, 18120660, 21744792, 24160880, 27180990, 36241320, 43489584, 54361980, 72482640, 108723960, 217447920]

約数ペア:

[(1, 217447920), (2, 108723960), (3, 72482640), (4, 54361980), (5, 43489584), (6, 36241320), (8, 27180990), (9, 24160880), (10, 21744792), (12, 18120660), (15, 14496528), (16, 13590495), (18, 12080440), (20, 10872396), (24, 9060330), (30, 7248264), (36, 6040220), (40, 5436198), (45, 4832176), (48, 4530165), (60, 3624132), (61, 3564720), (72, 3020110), (80, 2718099), (90, 2416088), (120, 1812066), (122, 1782360), (144, 1510055), (180, 1208044), (183, 1188240), (240, 906033), (244, 891180), (305, 712944), (360, 604022), (366, 594120), (488, 445590), (549, 396080), (610, 356472), (720, 302011), (732, 297060), (915, 237648), (976, 222795), (1098, 198040), (1220, 178236), (1464, 148530), (1830, 118824), (2196, 99020), (2440, 89118), (2745, 79216), (2928, 74265), (3660, 59412), (4392, 49510), (4880, 44559), (4951, 43920), (5490, 39608), (7320, 29706), (8784, 24755), (9902, 21960), (10980, 19804), (14640, 14853)]