285308640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1089

約数の個数: 144

約数和(自身を含む): 978868800

約数和(自身を除く): 693560160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 239, 240, 288, 360, 478, 480, 717, 720, 829, 956, 1195, 1434, 1440, 1658, 1912, 2151, 2390, 2487, 2868, 3316, 3585, 3824, 4145, 4302, 4780, 4974, 5736, 6632, 7170, 7461, 7648, 8290, 8604, 9560, 9948, 10755, 11472, 12435, 13264, 14340, 14922, 16580, 17208, 19120, 19896, 21510, 22944, 24870, 26528, 28680, 29844, 33160, 34416, 37305, 38240, 39792, 43020, 49740, 57360, 59688, 66320, 68832, 74610, 79584, 86040, 99480, 114720, 119376, 132640, 149220, 172080, 198131, 198960, 238752, 298440, 344160, 396262, 397920, 594393, 596880, 792524, 990655, 1188786, 1193760, 1585048, 1783179, 1981310, 2377572, 2971965, 3170096, 3566358, 3962620, 4755144, 5943930, 6340192, 7132716, 7925240, 8915895, 9510288, 11887860, 14265432, 15850480, 17831790, 19020576, 23775720, 28530864, 31700960, 35663580, 47551440, 57061728, 71327160, 95102880, 142654320, 285308640]

約数ペア:

[(1, 285308640), (2, 142654320), (3, 95102880), (4, 71327160), (5, 57061728), (6, 47551440), (8, 35663580), (9, 31700960), (10, 28530864), (12, 23775720), (15, 19020576), (16, 17831790), (18, 15850480), (20, 14265432), (24, 11887860), (30, 9510288), (32, 8915895), (36, 7925240), (40, 7132716), (45, 6340192), (48, 5943930), (60, 4755144), (72, 3962620), (80, 3566358), (90, 3170096), (96, 2971965), (120, 2377572), (144, 1981310), (160, 1783179), (180, 1585048), (239, 1193760), (240, 1188786), (288, 990655), (360, 792524), (478, 596880), (480, 594393), (717, 397920), (720, 396262), (829, 344160), (956, 298440), (1195, 238752), (1434, 198960), (1440, 198131), (1658, 172080), (1912, 149220), (2151, 132640), (2390, 119376), (2487, 114720), (2868, 99480), (3316, 86040), (3585, 79584), (3824, 74610), (4145, 68832), (4302, 66320), (4780, 59688), (4974, 57360), (5736, 49740), (6632, 43020), (7170, 39792), (7461, 38240), (7648, 37305), (8290, 34416), (8604, 33160), (9560, 29844), (9948, 28680), (10755, 26528), (11472, 24870), (12435, 22944), (13264, 21510), (14340, 19896), (14922, 19120), (16580, 17208)]