1569761820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1997}}^1$

素因数の和:2420

約数の個数: 144

約数和(自身を含む): 5210176608

約数和(自身を除く): 3640414788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 397, 495, 660, 794, 990, 1191, 1588, 1980, 1985, 1997, 2382, 3573, 3970, 3994, 4367, 4764, 5955, 5991, 7146, 7940, 7988, 8734, 9985, 11910, 11982, 13101, 14292, 17468, 17865, 17973, 19970, 21835, 21967, 23820, 23964, 26202, 29955, 35730, 35946, 39303, 39940, 43670, 43934, 52404, 59910, 65505, 65901, 71460, 71892, 78606, 87340, 87868, 89865, 109835, 119820, 131010, 131802, 157212, 179730, 196515, 197703, 219670, 262020, 263604, 329505, 359460, 393030, 395406, 439340, 659010, 786060, 790812, 792809, 988515, 1318020, 1585618, 1977030, 2378427, 3171236, 3954060, 3964045, 4756854, 7135281, 7928090, 8720899, 9513708, 11892135, 14270562, 15856180, 17441798, 23784270, 26162697, 28541124, 34883596, 35676405, 43604495, 47568540, 52325394, 71352810, 78488091, 87208990, 104650788, 130813485, 142705620, 156976182, 174417980, 261626970, 313952364, 392440455, 523253940, 784880910, 1569761820]

約数ペア:

[(1, 1569761820), (2, 784880910), (3, 523253940), (4, 392440455), (5, 313952364), (6, 261626970), (9, 174417980), (10, 156976182), (11, 142705620), (12, 130813485), (15, 104650788), (18, 87208990), (20, 78488091), (22, 71352810), (30, 52325394), (33, 47568540), (36, 43604495), (44, 35676405), (45, 34883596), (55, 28541124), (60, 26162697), (66, 23784270), (90, 17441798), (99, 15856180), (110, 14270562), (132, 11892135), (165, 9513708), (180, 8720899), (198, 7928090), (220, 7135281), (330, 4756854), (396, 3964045), (397, 3954060), (495, 3171236), (660, 2378427), (794, 1977030), (990, 1585618), (1191, 1318020), (1588, 988515), (1980, 792809), (1985, 790812), (1997, 786060), (2382, 659010), (3573, 439340), (3970, 395406), (3994, 393030), (4367, 359460), (4764, 329505), (5955, 263604), (5991, 262020), (7146, 219670), (7940, 197703), (7988, 196515), (8734, 179730), (9985, 157212), (11910, 131802), (11982, 131010), (13101, 119820), (14292, 109835), (17468, 89865), (17865, 87868), (17973, 87340), (19970, 78606), (21835, 71892), (21967, 71460), (23820, 65901), (23964, 65505), (26202, 59910), (29955, 52404), (35730, 43934), (35946, 43670), (39303, 39940)]