123747120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 240

約数和(自身を含む): 486849792

約数和(自身を除く): 363102672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 571, 602, 630, 645, 688, 720, 774, 840, 860, 903, 1008, 1032, 1142, 1204, 1260, 1290, 1505, 1548, 1680, 1713, 1720, 1806, 1935, 2064, 2284, 2408, 2520, 2580, 2709, 2855, 3010, 3096, 3426, 3440, 3612, 3870, 3997, 4515, 4568, 4816, 5040, 5139, 5160, 5418, 5710, 6020, 6192, 6852, 7224, 7740, 7994, 8565, 9030, 9136, 10278, 10320, 10836, 11420, 11991, 12040, 13545, 13704, 14448, 15480, 15988, 17130, 18060, 19985, 20556, 21672, 22840, 23982, 24080, 24553, 25695, 27090, 27408, 30960, 31976, 34260, 35973, 36120, 39970, 41112, 43344, 45680, 47964, 49106, 51390, 54180, 59955, 63952, 68520, 71946, 72240, 73659, 79940, 82224, 95928, 98212, 102780, 108360, 119910, 122765, 137040, 143892, 147318, 159880, 171871, 179865, 191856, 196424, 205560, 216720, 220977, 239820, 245530, 287784, 294636, 319760, 343742, 359730, 368295, 392848, 411120, 441954, 479640, 491060, 515613, 575568, 589272, 687484, 719460, 736590, 859355, 883908, 959280, 982120, 1031226, 1104885, 1178544, 1374968, 1438920, 1473180, 1546839, 1718710, 1767816, 1964240, 2062452, 2209770, 2578065, 2749936, 2877840, 2946360, 3093678, 3437420, 3535632, 4124904, 4419540, 5156130, 5892720, 6187356, 6874840, 7734195, 8249808, 8839080, 10312260, 12374712, 13749680, 15468390, 17678160, 20624520, 24749424, 30936780, 41249040, 61873560, 123747120]

約数ペア:

[(1, 123747120), (2, 61873560), (3, 41249040), (4, 30936780), (5, 24749424), (6, 20624520), (7, 17678160), (8, 15468390), (9, 13749680), (10, 12374712), (12, 10312260), (14, 8839080), (15, 8249808), (16, 7734195), (18, 6874840), (20, 6187356), (21, 5892720), (24, 5156130), (28, 4419540), (30, 4124904), (35, 3535632), (36, 3437420), (40, 3093678), (42, 2946360), (43, 2877840), (45, 2749936), (48, 2578065), (56, 2209770), (60, 2062452), (63, 1964240), (70, 1767816), (72, 1718710), (80, 1546839), (84, 1473180), (86, 1438920), (90, 1374968), (105, 1178544), (112, 1104885), (120, 1031226), (126, 982120), (129, 959280), (140, 883908), (144, 859355), (168, 736590), (172, 719460), (180, 687484), (210, 589272), (215, 575568), (240, 515613), (252, 491060), (258, 479640), (280, 441954), (301, 411120), (315, 392848), (336, 368295), (344, 359730), (360, 343742), (387, 319760), (420, 294636), (430, 287784), (504, 245530), (516, 239820), (560, 220977), (571, 216720), (602, 205560), (630, 196424), (645, 191856), (688, 179865), (720, 171871), (774, 159880), (840, 147318), (860, 143892), (903, 137040), (1008, 122765), (1032, 119910), (1142, 108360), (1204, 102780), (1260, 98212), (1290, 95928), (1505, 82224), (1548, 79940), (1680, 73659), (1713, 72240), (1720, 71946), (1806, 68520), (1935, 63952), (2064, 59955), (2284, 54180), (2408, 51390), (2520, 49106), (2580, 47964), (2709, 45680), (2855, 43344), (3010, 41112), (3096, 39970), (3426, 36120), (3440, 35973), (3612, 34260), (3870, 31976), (3997, 30960), (4515, 27408), (4568, 27090), (4816, 25695), (5040, 24553), (5139, 24080), (5160, 23982), (5418, 22840), (5710, 21672), (6020, 20556), (6192, 19985), (6852, 18060), (7224, 17130), (7740, 15988), (7994, 15480), (8565, 14448), (9030, 13704), (9136, 13545), (10278, 12040), (10320, 11991), (10836, 11420)]