204568740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:859

約数の個数: 120

約数和(自身を含む): 646003512

約数和(自身を除く): 441434772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 197, 270, 324, 394, 405, 540, 591, 641, 788, 810, 985, 1182, 1282, 1620, 1773, 1923, 1970, 2364, 2564, 2955, 3205, 3546, 3846, 3940, 5319, 5769, 5910, 6410, 7092, 7692, 8865, 9615, 10638, 11538, 11820, 12820, 15957, 17307, 17730, 19230, 21276, 23076, 26595, 28845, 31914, 34614, 35460, 38460, 51921, 53190, 57690, 63828, 69228, 79785, 86535, 103842, 106380, 115380, 126277, 159570, 173070, 207684, 252554, 259605, 319140, 346140, 378831, 505108, 519210, 631385, 757662, 1038420, 1136493, 1262770, 1515324, 1894155, 2272986, 2525540, 3409479, 3788310, 4545972, 5682465, 6818958, 7576620, 10228437, 11364930, 13637916, 17047395, 20456874, 22729860, 34094790, 40913748, 51142185, 68189580, 102284370, 204568740]

約数ペア:

[(1, 204568740), (2, 102284370), (3, 68189580), (4, 51142185), (5, 40913748), (6, 34094790), (9, 22729860), (10, 20456874), (12, 17047395), (15, 13637916), (18, 11364930), (20, 10228437), (27, 7576620), (30, 6818958), (36, 5682465), (45, 4545972), (54, 3788310), (60, 3409479), (81, 2525540), (90, 2272986), (108, 1894155), (135, 1515324), (162, 1262770), (180, 1136493), (197, 1038420), (270, 757662), (324, 631385), (394, 519210), (405, 505108), (540, 378831), (591, 346140), (641, 319140), (788, 259605), (810, 252554), (985, 207684), (1182, 173070), (1282, 159570), (1620, 126277), (1773, 115380), (1923, 106380), (1970, 103842), (2364, 86535), (2564, 79785), (2955, 69228), (3205, 63828), (3546, 57690), (3846, 53190), (3940, 51921), (5319, 38460), (5769, 35460), (5910, 34614), (6410, 31914), (7092, 28845), (7692, 26595), (8865, 23076), (9615, 21276), (10638, 19230), (11538, 17730), (11820, 17307), (12820, 15957)]