20964311640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{7517}}^1$

素因数の和:7722

約数の個数: 192

約数和(自身を含む): 69805532160

約数和(自身を除く): 48841220520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 127, 180, 183, 244, 254, 305, 360, 366, 381, 488, 508, 549, 610, 635, 732, 762, 915, 1016, 1098, 1143, 1220, 1270, 1464, 1524, 1830, 1905, 2196, 2286, 2440, 2540, 2745, 3048, 3660, 3810, 4392, 4572, 5080, 5490, 5715, 7320, 7517, 7620, 7747, 9144, 10980, 11430, 15034, 15240, 15494, 21960, 22551, 22860, 23241, 30068, 30988, 37585, 38735, 45102, 45720, 46482, 60136, 61976, 67653, 69723, 75170, 77470, 90204, 92964, 112755, 116205, 135306, 139446, 150340, 154940, 180408, 185928, 225510, 232410, 270612, 278892, 300680, 309880, 338265, 348615, 451020, 458537, 464820, 541224, 557784, 676530, 697230, 902040, 917074, 929640, 954659, 1353060, 1375611, 1394460, 1834148, 1909318, 2292685, 2706120, 2751222, 2788920, 2863977, 3668296, 3818636, 4126833, 4585370, 4773295, 5502444, 5727954, 6878055, 7637272, 8253666, 8591931, 9170740, 9546590, 11004888, 11455908, 13756110, 14319885, 16507332, 17183862, 18341480, 19093180, 20634165, 22911816, 27512220, 28639770, 33014664, 34367724, 38186360, 41268330, 42959655, 55024440, 57279540, 58234199, 68735448, 82536660, 85919310, 114559080, 116468398, 165073320, 171838620, 174702597, 232936796, 291170995, 343677240, 349405194, 465873592, 524107791, 582341990, 698810388, 873512985, 1048215582, 1164683980, 1397620776, 1747025970, 2096431164, 2329367960, 2620538955, 3494051940, 4192862328, 5241077910, 6988103880, 10482155820, 20964311640]

約数ペア:

[(1, 20964311640), (2, 10482155820), (3, 6988103880), (4, 5241077910), (5, 4192862328), (6, 3494051940), (8, 2620538955), (9, 2329367960), (10, 2096431164), (12, 1747025970), (15, 1397620776), (18, 1164683980), (20, 1048215582), (24, 873512985), (30, 698810388), (36, 582341990), (40, 524107791), (45, 465873592), (60, 349405194), (61, 343677240), (72, 291170995), (90, 232936796), (120, 174702597), (122, 171838620), (127, 165073320), (180, 116468398), (183, 114559080), (244, 85919310), (254, 82536660), (305, 68735448), (360, 58234199), (366, 57279540), (381, 55024440), (488, 42959655), (508, 41268330), (549, 38186360), (610, 34367724), (635, 33014664), (732, 28639770), (762, 27512220), (915, 22911816), (1016, 20634165), (1098, 19093180), (1143, 18341480), (1220, 17183862), (1270, 16507332), (1464, 14319885), (1524, 13756110), (1830, 11455908), (1905, 11004888), (2196, 9546590), (2286, 9170740), (2440, 8591931), (2540, 8253666), (2745, 7637272), (3048, 6878055), (3660, 5727954), (3810, 5502444), (4392, 4773295), (4572, 4585370), (5080, 4126833), (5490, 3818636), (5715, 3668296), (7320, 2863977), (7517, 2788920), (7620, 2751222), (7747, 2706120), (9144, 2292685), (10980, 1909318), (11430, 1834148), (15034, 1394460), (15240, 1375611), (15494, 1353060), (21960, 954659), (22551, 929640), (22860, 917074), (23241, 902040), (30068, 697230), (30988, 676530), (37585, 557784), (38735, 541224), (45102, 464820), (45720, 458537), (46482, 451020), (60136, 348615), (61976, 338265), (67653, 309880), (69723, 300680), (75170, 278892), (77470, 270612), (90204, 232410), (92964, 225510), (112755, 185928), (116205, 180408), (135306, 154940), (139446, 150340)]