264958720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15923}}^1$

素因数の和:15957

約数の個数: 72

約数和(自身を含む): 683521776

約数和(自身を除く): 418563056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 15923, 16640, 31846, 63692, 79615, 127384, 159230, 206999, 254768, 318460, 413998, 509536, 636920, 827996, 1019072, 1034995, 1273840, 1655992, 2038144, 2069990, 2547680, 3311984, 4076288, 4139980, 5095360, 6623968, 8279960, 10190720, 13247936, 16559920, 20381440, 26495872, 33119840, 52991744, 66239680, 132479360, 264958720]

約数ペア:

[(1, 264958720), (2, 132479360), (4, 66239680), (5, 52991744), (8, 33119840), (10, 26495872), (13, 20381440), (16, 16559920), (20, 13247936), (26, 10190720), (32, 8279960), (40, 6623968), (52, 5095360), (64, 4139980), (65, 4076288), (80, 3311984), (104, 2547680), (128, 2069990), (130, 2038144), (160, 1655992), (208, 1273840), (256, 1034995), (260, 1019072), (320, 827996), (416, 636920), (520, 509536), (640, 413998), (832, 318460), (1040, 254768), (1280, 206999), (1664, 159230), (2080, 127384), (3328, 79615), (4160, 63692), (8320, 31846), (15923, 16640)]