217156320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7937}}^1$

素因数の和:7977

約数の個数: 144

約数和(自身を含む): 780146640

約数和(自身を除く): 562990320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 7937, 9120, 13680, 15874, 23811, 27360, 31748, 39685, 47622, 63496, 71433, 79370, 95244, 119055, 126992, 142866, 150803, 158740, 190488, 238110, 253984, 285732, 301606, 317480, 357165, 380976, 452409, 476220, 571464, 603212, 634960, 714330, 754015, 761952, 904818, 952440, 1142928, 1206424, 1269920, 1357227, 1428660, 1508030, 1809636, 1904880, 2262045, 2285856, 2412848, 2714454, 2857320, 3016060, 3619272, 3809760, 4524090, 4825696, 5428908, 5714640, 6032120, 6786135, 7238544, 9048180, 10857816, 11429280, 12064240, 13572270, 14477088, 18096360, 21715632, 24128480, 27144540, 36192720, 43431264, 54289080, 72385440, 108578160, 217156320]

約数ペア:

[(1, 217156320), (2, 108578160), (3, 72385440), (4, 54289080), (5, 43431264), (6, 36192720), (8, 27144540), (9, 24128480), (10, 21715632), (12, 18096360), (15, 14477088), (16, 13572270), (18, 12064240), (19, 11429280), (20, 10857816), (24, 9048180), (30, 7238544), (32, 6786135), (36, 6032120), (38, 5714640), (40, 5428908), (45, 4825696), (48, 4524090), (57, 3809760), (60, 3619272), (72, 3016060), (76, 2857320), (80, 2714454), (90, 2412848), (95, 2285856), (96, 2262045), (114, 1904880), (120, 1809636), (144, 1508030), (152, 1428660), (160, 1357227), (171, 1269920), (180, 1206424), (190, 1142928), (228, 952440), (240, 904818), (285, 761952), (288, 754015), (304, 714330), (342, 634960), (360, 603212), (380, 571464), (456, 476220), (480, 452409), (570, 380976), (608, 357165), (684, 317480), (720, 301606), (760, 285732), (855, 253984), (912, 238110), (1140, 190488), (1368, 158740), (1440, 150803), (1520, 142866), (1710, 126992), (1824, 119055), (2280, 95244), (2736, 79370), (3040, 71433), (3420, 63496), (4560, 47622), (5472, 39685), (6840, 31748), (7937, 27360), (9120, 23811), (13680, 15874)]