27778920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17807}}^1$

素因数の和:17834

約数の個数: 64

約数和(自身を含む): 89752320

約数和(自身を除く): 61973400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 17807, 35614, 53421, 71228, 89035, 106842, 142456, 178070, 213684, 231491, 267105, 356140, 427368, 462982, 534210, 694473, 712280, 925964, 1068420, 1157455, 1388946, 1851928, 2136840, 2314910, 2777892, 3472365, 4629820, 5555784, 6944730, 9259640, 13889460, 27778920]

約数ペア:

[(1, 27778920), (2, 13889460), (3, 9259640), (4, 6944730), (5, 5555784), (6, 4629820), (8, 3472365), (10, 2777892), (12, 2314910), (13, 2136840), (15, 1851928), (20, 1388946), (24, 1157455), (26, 1068420), (30, 925964), (39, 712280), (40, 694473), (52, 534210), (60, 462982), (65, 427368), (78, 356140), (104, 267105), (120, 231491), (130, 213684), (156, 178070), (195, 142456), (260, 106842), (312, 89035), (390, 71228), (520, 53421), (780, 35614), (1560, 17807)]