278840640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22343}}^1$

素因数の和:22376

約数の個数: 112

約数和(自身を含む): 953463168

約数和(自身を除く): 674622528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 22343, 44686, 67029, 89372, 111715, 134058, 178744, 223430, 268116, 290459, 335145, 357488, 446860, 536232, 580918, 670290, 714976, 871377, 893720, 1072464, 1161836, 1340580, 1429952, 1452295, 1742754, 1787440, 2144928, 2323672, 2681160, 2904590, 3485508, 3574880, 4289856, 4356885, 4647344, 5362320, 5809180, 6971016, 7149760, 8713770, 9294688, 10724640, 11618360, 13942032, 17427540, 18589376, 21449280, 23236720, 27884064, 34855080, 46473440, 55768128, 69710160, 92946880, 139420320, 278840640]

約数ペア:

[(1, 278840640), (2, 139420320), (3, 92946880), (4, 69710160), (5, 55768128), (6, 46473440), (8, 34855080), (10, 27884064), (12, 23236720), (13, 21449280), (15, 18589376), (16, 17427540), (20, 13942032), (24, 11618360), (26, 10724640), (30, 9294688), (32, 8713770), (39, 7149760), (40, 6971016), (48, 5809180), (52, 5362320), (60, 4647344), (64, 4356885), (65, 4289856), (78, 3574880), (80, 3485508), (96, 2904590), (104, 2681160), (120, 2323672), (130, 2144928), (156, 1787440), (160, 1742754), (192, 1452295), (195, 1429952), (208, 1340580), (240, 1161836), (260, 1072464), (312, 893720), (320, 871377), (390, 714976), (416, 670290), (480, 580918), (520, 536232), (624, 446860), (780, 357488), (832, 335145), (960, 290459), (1040, 268116), (1248, 223430), (1560, 178744), (2080, 134058), (2496, 111715), (3120, 89372), (4160, 67029), (6240, 44686), (12480, 22343)]