64794880

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 156586752

約数和(自身を除く): 91791872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 227, 256, 320, 446, 454, 640, 892, 908, 1115, 1135, 1280, 1784, 1816, 2230, 2270, 3568, 3632, 4460, 4540, 7136, 7264, 8920, 9080, 14272, 14528, 17840, 18160, 28544, 29056, 35680, 36320, 50621, 57088, 58112, 71360, 72640, 101242, 142720, 145280, 202484, 253105, 285440, 290560, 404968, 506210, 809936, 1012420, 1619872, 2024840, 3239744, 4049680, 6479488, 8099360, 12958976, 16198720, 32397440, 64794880]

約数ペア:

[(1, 64794880), (2, 32397440), (4, 16198720), (5, 12958976), (8, 8099360), (10, 6479488), (16, 4049680), (20, 3239744), (32, 2024840), (40, 1619872), (64, 1012420), (80, 809936), (128, 506210), (160, 404968), (223, 290560), (227, 285440), (256, 253105), (320, 202484), (446, 145280), (454, 142720), (640, 101242), (892, 72640), (908, 71360), (1115, 58112), (1135, 57088), (1280, 50621), (1784, 36320), (1816, 35680), (2230, 29056), (2270, 28544), (3568, 18160), (3632, 17840), (4460, 14528), (4540, 14272), (7136, 9080), (7264, 8920)]