1221902240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 3292047360

約数和(自身を除く): 2070145120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 47, 52, 58, 65, 80, 94, 104, 116, 130, 145, 160, 188, 208, 232, 235, 260, 290, 376, 377, 416, 431, 464, 470, 520, 580, 611, 752, 754, 862, 928, 940, 1040, 1160, 1222, 1363, 1504, 1508, 1724, 1880, 1885, 2080, 2155, 2320, 2444, 2726, 3016, 3055, 3448, 3760, 3770, 4310, 4640, 4888, 5452, 5603, 6032, 6110, 6815, 6896, 7520, 7540, 8620, 9776, 10904, 11206, 12064, 12220, 12499, 13630, 13792, 15080, 17240, 17719, 19552, 20257, 21808, 22412, 24440, 24998, 27260, 28015, 30160, 34480, 35438, 40514, 43616, 44824, 48880, 49996, 54520, 56030, 60320, 62495, 68960, 70876, 81028, 88595, 89648, 97760, 99992, 101285, 109040, 112060, 124990, 141752, 162056, 162487, 177190, 179296, 199984, 202570, 218080, 224120, 249980, 263341, 283504, 324112, 324974, 354380, 399968, 405140, 448240, 499960, 526682, 567008, 587453, 648224, 649948, 708760, 810280, 812435, 896480, 999920, 1053364, 1174906, 1299896, 1316705, 1417520, 1620560, 1624870, 1999840, 2106728, 2349812, 2599792, 2633410, 2835040, 2937265, 3241120, 3249740, 4213456, 4699624, 5199584, 5266820, 5874530, 6499480, 7636889, 8426912, 9399248, 10533640, 11749060, 12998960, 15273778, 18798496, 21067280, 23498120, 25997920, 30547556, 38184445, 42134560, 46996240, 61095112, 76368890, 93992480, 122190224, 152737780, 244380448, 305475560, 610951120, 1221902240]

約数ペア:

[(1, 1221902240), (2, 610951120), (4, 305475560), (5, 244380448), (8, 152737780), (10, 122190224), (13, 93992480), (16, 76368890), (20, 61095112), (26, 46996240), (29, 42134560), (32, 38184445), (40, 30547556), (47, 25997920), (52, 23498120), (58, 21067280), (65, 18798496), (80, 15273778), (94, 12998960), (104, 11749060), (116, 10533640), (130, 9399248), (145, 8426912), (160, 7636889), (188, 6499480), (208, 5874530), (232, 5266820), (235, 5199584), (260, 4699624), (290, 4213456), (376, 3249740), (377, 3241120), (416, 2937265), (431, 2835040), (464, 2633410), (470, 2599792), (520, 2349812), (580, 2106728), (611, 1999840), (752, 1624870), (754, 1620560), (862, 1417520), (928, 1316705), (940, 1299896), (1040, 1174906), (1160, 1053364), (1222, 999920), (1363, 896480), (1504, 812435), (1508, 810280), (1724, 708760), (1880, 649948), (1885, 648224), (2080, 587453), (2155, 567008), (2320, 526682), (2444, 499960), (2726, 448240), (3016, 405140), (3055, 399968), (3448, 354380), (3760, 324974), (3770, 324112), (4310, 283504), (4640, 263341), (4888, 249980), (5452, 224120), (5603, 218080), (6032, 202570), (6110, 199984), (6815, 179296), (6896, 177190), (7520, 162487), (7540, 162056), (8620, 141752), (9776, 124990), (10904, 112060), (11206, 109040), (12064, 101285), (12220, 99992), (12499, 97760), (13630, 89648), (13792, 88595), (15080, 81028), (17240, 70876), (17719, 68960), (19552, 62495), (20257, 60320), (21808, 56030), (22412, 54520), (24440, 49996), (24998, 48880), (27260, 44824), (28015, 43616), (30160, 40514), (34480, 35438)]