320743072

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:630

約数の個数: 72

約数和(自身を含む): 690633216

約数和(自身を除く): 369890144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 127, 169, 208, 254, 338, 416, 467, 508, 676, 934, 1016, 1352, 1651, 1868, 2032, 2704, 3302, 3736, 4064, 5408, 6071, 6604, 7472, 12142, 13208, 14944, 21463, 24284, 26416, 42926, 48568, 52832, 59309, 78923, 85852, 97136, 118618, 157846, 171704, 194272, 237236, 315692, 343408, 474472, 631384, 686816, 771017, 948944, 1262768, 1542034, 1897888, 2525536, 3084068, 6168136, 10023221, 12336272, 20046442, 24672544, 40092884, 80185768, 160371536, 320743072]

約数ペア:

[(1, 320743072), (2, 160371536), (4, 80185768), (8, 40092884), (13, 24672544), (16, 20046442), (26, 12336272), (32, 10023221), (52, 6168136), (104, 3084068), (127, 2525536), (169, 1897888), (208, 1542034), (254, 1262768), (338, 948944), (416, 771017), (467, 686816), (508, 631384), (676, 474472), (934, 343408), (1016, 315692), (1352, 237236), (1651, 194272), (1868, 171704), (2032, 157846), (2704, 118618), (3302, 97136), (3736, 85852), (4064, 78923), (5408, 59309), (6071, 52832), (6604, 48568), (7472, 42926), (12142, 26416), (13208, 24284), (14944, 21463)]