256019321616

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{541661}}^1$

素因数の和:541944

約数の個数: 80

約数和(自身を含む): 679720810560

約数和(自身を除く): 423701488944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 229, 258, 344, 458, 516, 687, 688, 916, 1032, 1374, 1832, 2064, 2748, 3664, 5496, 9847, 10992, 19694, 29541, 39388, 59082, 78776, 118164, 157552, 236328, 472656, 541661, 1083322, 1624983, 2166644, 3249966, 4333288, 6499932, 8666576, 12999864, 23291423, 25999728, 46582846, 69874269, 93165692, 124040369, 139748538, 186331384, 248080738, 279497076, 372121107, 372662768, 496161476, 558994152, 744242214, 992322952, 1117988304, 1488484428, 1984645904, 2976968856, 5333735867, 5953937712, 10667471734, 16001207601, 21334943468, 32002415202, 42669886936, 64004830404, 85339773872, 128009660808, 256019321616]

約数ペア:

[(1, 256019321616), (2, 128009660808), (3, 85339773872), (4, 64004830404), (6, 42669886936), (8, 32002415202), (12, 21334943468), (16, 16001207601), (24, 10667471734), (43, 5953937712), (48, 5333735867), (86, 2976968856), (129, 1984645904), (172, 1488484428), (229, 1117988304), (258, 992322952), (344, 744242214), (458, 558994152), (516, 496161476), (687, 372662768), (688, 372121107), (916, 279497076), (1032, 248080738), (1374, 186331384), (1832, 139748538), (2064, 124040369), (2748, 93165692), (3664, 69874269), (5496, 46582846), (9847, 25999728), (10992, 23291423), (19694, 12999864), (29541, 8666576), (39388, 6499932), (59082, 4333288), (78776, 3249966), (118164, 2166644), (157552, 1624983), (236328, 1083322), (472656, 541661)]