255403680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{10859}}^1$

素因数の和:10891

約数の個数: 144

約数和(自身を含む): 935958240

約数和(自身を除く): 680554560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 10859, 11760, 21718, 23520, 32577, 43436, 54295, 65154, 76013, 86872, 108590, 130308, 152026, 162885, 173744, 217180, 228039, 260616, 304052, 325770, 347488, 380065, 434360, 456078, 521232, 532091, 608104, 651540, 760130, 868720, 912156, 1042464, 1064182, 1140195, 1216208, 1303080, 1520260, 1596273, 1737440, 1824312, 2128364, 2280390, 2432416, 2606160, 2660455, 3040520, 3192546, 3648624, 4256728, 4560780, 5212320, 5320910, 6081040, 6385092, 7297248, 7981365, 8513456, 9121560, 10641820, 12162080, 12770184, 15962730, 17026912, 18243120, 21283640, 25540368, 31925460, 36486240, 42567280, 51080736, 63850920, 85134560, 127701840, 255403680]

約数ペア:

[(1, 255403680), (2, 127701840), (3, 85134560), (4, 63850920), (5, 51080736), (6, 42567280), (7, 36486240), (8, 31925460), (10, 25540368), (12, 21283640), (14, 18243120), (15, 17026912), (16, 15962730), (20, 12770184), (21, 12162080), (24, 10641820), (28, 9121560), (30, 8513456), (32, 7981365), (35, 7297248), (40, 6385092), (42, 6081040), (48, 5320910), (49, 5212320), (56, 4560780), (60, 4256728), (70, 3648624), (80, 3192546), (84, 3040520), (96, 2660455), (98, 2606160), (105, 2432416), (112, 2280390), (120, 2128364), (140, 1824312), (147, 1737440), (160, 1596273), (168, 1520260), (196, 1303080), (210, 1216208), (224, 1140195), (240, 1064182), (245, 1042464), (280, 912156), (294, 868720), (336, 760130), (392, 651540), (420, 608104), (480, 532091), (490, 521232), (560, 456078), (588, 434360), (672, 380065), (735, 347488), (784, 325770), (840, 304052), (980, 260616), (1120, 228039), (1176, 217180), (1470, 173744), (1568, 162885), (1680, 152026), (1960, 130308), (2352, 108590), (2940, 86872), (3360, 76013), (3920, 65154), (4704, 54295), (5880, 43436), (7840, 32577), (10859, 23520), (11760, 21718)]