169719440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 440831160

約数和(自身を除く): 271111720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 121, 176, 178, 197, 220, 242, 356, 394, 440, 445, 484, 605, 712, 788, 880, 890, 968, 979, 985, 1210, 1424, 1576, 1780, 1936, 1958, 1970, 2167, 2420, 3152, 3560, 3916, 3940, 4334, 4840, 4895, 7120, 7832, 7880, 8668, 9680, 9790, 10769, 10835, 15664, 15760, 17336, 17533, 19580, 21538, 21670, 23837, 34672, 35066, 39160, 43076, 43340, 47674, 53845, 70132, 78320, 86152, 86680, 87665, 95348, 107690, 119185, 140264, 172304, 173360, 175330, 190696, 192863, 215380, 238370, 280528, 350660, 381392, 385726, 430760, 476740, 701320, 771452, 861520, 953480, 964315, 1402640, 1542904, 1906960, 1928630, 2121493, 3085808, 3857260, 4242986, 7714520, 8485972, 10607465, 15429040, 16971944, 21214930, 33943888, 42429860, 84859720, 169719440]

約数ペア:

[(1, 169719440), (2, 84859720), (4, 42429860), (5, 33943888), (8, 21214930), (10, 16971944), (11, 15429040), (16, 10607465), (20, 8485972), (22, 7714520), (40, 4242986), (44, 3857260), (55, 3085808), (80, 2121493), (88, 1928630), (89, 1906960), (110, 1542904), (121, 1402640), (176, 964315), (178, 953480), (197, 861520), (220, 771452), (242, 701320), (356, 476740), (394, 430760), (440, 385726), (445, 381392), (484, 350660), (605, 280528), (712, 238370), (788, 215380), (880, 192863), (890, 190696), (968, 175330), (979, 173360), (985, 172304), (1210, 140264), (1424, 119185), (1576, 107690), (1780, 95348), (1936, 87665), (1958, 86680), (1970, 86152), (2167, 78320), (2420, 70132), (3152, 53845), (3560, 47674), (3916, 43340), (3940, 43076), (4334, 39160), (4840, 35066), (4895, 34672), (7120, 23837), (7832, 21670), (7880, 21538), (8668, 19580), (9680, 17533), (9790, 17336), (10769, 15760), (10835, 15664)]