287731920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 240

約数和(自身を含む): 1063592640

約数和(自身を除く): 775860720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 49, 56, 60, 70, 80, 84, 86, 98, 105, 112, 120, 129, 140, 147, 168, 172, 196, 210, 215, 240, 245, 258, 280, 294, 301, 336, 344, 392, 420, 430, 490, 516, 560, 569, 588, 602, 645, 688, 735, 784, 840, 860, 903, 980, 1032, 1138, 1176, 1204, 1290, 1470, 1505, 1680, 1707, 1720, 1806, 1960, 2064, 2107, 2276, 2352, 2408, 2580, 2845, 2940, 3010, 3414, 3440, 3612, 3920, 3983, 4214, 4515, 4552, 4816, 5160, 5690, 5880, 6020, 6321, 6828, 7224, 7966, 8428, 8535, 9030, 9104, 10320, 10535, 11380, 11760, 11949, 12040, 12642, 13656, 14448, 15932, 16856, 17070, 18060, 19915, 21070, 22760, 23898, 24080, 24467, 25284, 27312, 27881, 31605, 31864, 33712, 34140, 36120, 39830, 42140, 45520, 47796, 48934, 50568, 55762, 59745, 63210, 63728, 68280, 72240, 73401, 79660, 83643, 84280, 95592, 97868, 101136, 111524, 119490, 122335, 126420, 136560, 139405, 146802, 159320, 167286, 168560, 171269, 191184, 195736, 223048, 238980, 244670, 252840, 278810, 293604, 318640, 334572, 342538, 367005, 391472, 418215, 446096, 477960, 489340, 505680, 513807, 557620, 587208, 669144, 685076, 734010, 836430, 856345, 955920, 978680, 1027614, 1115240, 1174416, 1198883, 1338288, 1370152, 1468020, 1672860, 1712690, 1957360, 2055228, 2230480, 2397766, 2569035, 2740304, 2936040, 3345720, 3425380, 3596649, 4110456, 4795532, 5138070, 5872080, 5994415, 6691440, 6850760, 7193298, 8220912, 9591064, 10276140, 11988830, 13701520, 14386596, 17983245, 19182128, 20552280, 23977660, 28773192, 35966490, 41104560, 47955320, 57546384, 71932980, 95910640, 143865960, 287731920]

約数ペア:

[(1, 287731920), (2, 143865960), (3, 95910640), (4, 71932980), (5, 57546384), (6, 47955320), (7, 41104560), (8, 35966490), (10, 28773192), (12, 23977660), (14, 20552280), (15, 19182128), (16, 17983245), (20, 14386596), (21, 13701520), (24, 11988830), (28, 10276140), (30, 9591064), (35, 8220912), (40, 7193298), (42, 6850760), (43, 6691440), (48, 5994415), (49, 5872080), (56, 5138070), (60, 4795532), (70, 4110456), (80, 3596649), (84, 3425380), (86, 3345720), (98, 2936040), (105, 2740304), (112, 2569035), (120, 2397766), (129, 2230480), (140, 2055228), (147, 1957360), (168, 1712690), (172, 1672860), (196, 1468020), (210, 1370152), (215, 1338288), (240, 1198883), (245, 1174416), (258, 1115240), (280, 1027614), (294, 978680), (301, 955920), (336, 856345), (344, 836430), (392, 734010), (420, 685076), (430, 669144), (490, 587208), (516, 557620), (560, 513807), (569, 505680), (588, 489340), (602, 477960), (645, 446096), (688, 418215), (735, 391472), (784, 367005), (840, 342538), (860, 334572), (903, 318640), (980, 293604), (1032, 278810), (1138, 252840), (1176, 244670), (1204, 238980), (1290, 223048), (1470, 195736), (1505, 191184), (1680, 171269), (1707, 168560), (1720, 167286), (1806, 159320), (1960, 146802), (2064, 139405), (2107, 136560), (2276, 126420), (2352, 122335), (2408, 119490), (2580, 111524), (2845, 101136), (2940, 97868), (3010, 95592), (3414, 84280), (3440, 83643), (3612, 79660), (3920, 73401), (3983, 72240), (4214, 68280), (4515, 63728), (4552, 63210), (4816, 59745), (5160, 55762), (5690, 50568), (5880, 48934), (6020, 47796), (6321, 45520), (6828, 42140), (7224, 39830), (7966, 36120), (8428, 34140), (8535, 33712), (9030, 31864), (9104, 31605), (10320, 27881), (10535, 27312), (11380, 25284), (11760, 24467), (11949, 24080), (12040, 23898), (12642, 22760), (13656, 21070), (14448, 19915), (15932, 18060), (16856, 17070)]