255778880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1396

約数の個数: 112

約数和(自身を含む): 704453760

約数和(自身を除く): 448674880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 712, 890, 1120, 1246, 1283, 1424, 1780, 2240, 2492, 2566, 2848, 3115, 3560, 4984, 5132, 5696, 6230, 6415, 7120, 8981, 9968, 10264, 12460, 12830, 14240, 17962, 19936, 20528, 24920, 25660, 28480, 35924, 39872, 41056, 44905, 49840, 51320, 71848, 82112, 89810, 99680, 102640, 114187, 143696, 179620, 199360, 205280, 228374, 287392, 359240, 410560, 456748, 570935, 574784, 718480, 799309, 913496, 1141870, 1436960, 1598618, 1826992, 2283740, 2873920, 3197236, 3653984, 3996545, 4567480, 6394472, 7307968, 7993090, 9134960, 12788944, 15986180, 18269920, 25577888, 31972360, 36539840, 51155776, 63944720, 127889440, 255778880]

約数ペア:

[(1, 255778880), (2, 127889440), (4, 63944720), (5, 51155776), (7, 36539840), (8, 31972360), (10, 25577888), (14, 18269920), (16, 15986180), (20, 12788944), (28, 9134960), (32, 7993090), (35, 7307968), (40, 6394472), (56, 4567480), (64, 3996545), (70, 3653984), (80, 3197236), (89, 2873920), (112, 2283740), (140, 1826992), (160, 1598618), (178, 1436960), (224, 1141870), (280, 913496), (320, 799309), (356, 718480), (445, 574784), (448, 570935), (560, 456748), (623, 410560), (712, 359240), (890, 287392), (1120, 228374), (1246, 205280), (1283, 199360), (1424, 179620), (1780, 143696), (2240, 114187), (2492, 102640), (2566, 99680), (2848, 89810), (3115, 82112), (3560, 71848), (4984, 51320), (5132, 49840), (5696, 44905), (6230, 41056), (6415, 39872), (7120, 35924), (8981, 28480), (9968, 25660), (10264, 24920), (12460, 20528), (12830, 19936), (14240, 17962)]