1221489780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{171077}}^1$

素因数の和:171113

約数の個数: 96

約数和(自身を含む): 4138718976

約数和(自身を除く): 2917229196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 171077, 342154, 513231, 684308, 855385, 1026462, 1197539, 1710770, 2052924, 2395078, 2566155, 2908309, 3421540, 3592617, 4790156, 5132310, 5816618, 5987695, 7185234, 8724927, 10264620, 11633236, 11975390, 14370468, 14541545, 17449854, 17963085, 20358163, 23950780, 29083090, 34899708, 35926170, 40716326, 43624635, 58166180, 61074489, 71852340, 81432652, 87249270, 101790815, 122148978, 174498540, 203581630, 244297956, 305372445, 407163260, 610744890, 1221489780]

約数ペア:

[(1, 1221489780), (2, 610744890), (3, 407163260), (4, 305372445), (5, 244297956), (6, 203581630), (7, 174498540), (10, 122148978), (12, 101790815), (14, 87249270), (15, 81432652), (17, 71852340), (20, 61074489), (21, 58166180), (28, 43624635), (30, 40716326), (34, 35926170), (35, 34899708), (42, 29083090), (51, 23950780), (60, 20358163), (68, 17963085), (70, 17449854), (84, 14541545), (85, 14370468), (102, 11975390), (105, 11633236), (119, 10264620), (140, 8724927), (170, 7185234), (204, 5987695), (210, 5816618), (238, 5132310), (255, 4790156), (340, 3592617), (357, 3421540), (420, 2908309), (476, 2566155), (510, 2395078), (595, 2052924), (714, 1710770), (1020, 1197539), (1190, 1026462), (1428, 855385), (1785, 684308), (2380, 513231), (3570, 342154), (7140, 171077)]