68545880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{683}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 167196960

約数和(自身を除く): 98651080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 520, 683, 772, 965, 1366, 1544, 1930, 2509, 2732, 3415, 3860, 5018, 5464, 6830, 7720, 8879, 10036, 12545, 13660, 17758, 20072, 25090, 27320, 35516, 44395, 50180, 71032, 88790, 100360, 131819, 177580, 263638, 355160, 527276, 659095, 1054552, 1318190, 1713647, 2636380, 3427294, 5272760, 6854588, 8568235, 13709176, 17136470, 34272940, 68545880]

約数ペア:

[(1, 68545880), (2, 34272940), (4, 17136470), (5, 13709176), (8, 8568235), (10, 6854588), (13, 5272760), (20, 3427294), (26, 2636380), (40, 1713647), (52, 1318190), (65, 1054552), (104, 659095), (130, 527276), (193, 355160), (260, 263638), (386, 177580), (520, 131819), (683, 100360), (772, 88790), (965, 71032), (1366, 50180), (1544, 44395), (1930, 35516), (2509, 27320), (2732, 25090), (3415, 20072), (3860, 17758), (5018, 13660), (5464, 12545), (6830, 10036), (7720, 8879)]