1566705880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{6983}}^1$

素因数の和:7144

約数の個数: 64

約数和(自身を含む): 3620505600

約数和(自身を除く): 2053799720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 284, 316, 355, 395, 568, 632, 710, 790, 1420, 1580, 2840, 3160, 5609, 6983, 11218, 13966, 22436, 27932, 28045, 34915, 44872, 55864, 56090, 69830, 112180, 139660, 224360, 279320, 495793, 551657, 991586, 1103314, 1983172, 2206628, 2478965, 2758285, 3966344, 4413256, 4957930, 5516570, 9915860, 11033140, 19831720, 22066280, 39167647, 78335294, 156670588, 195838235, 313341176, 391676470, 783352940, 1566705880]

約数ペア:

[(1, 1566705880), (2, 783352940), (4, 391676470), (5, 313341176), (8, 195838235), (10, 156670588), (20, 78335294), (40, 39167647), (71, 22066280), (79, 19831720), (142, 11033140), (158, 9915860), (284, 5516570), (316, 4957930), (355, 4413256), (395, 3966344), (568, 2758285), (632, 2478965), (710, 2206628), (790, 1983172), (1420, 1103314), (1580, 991586), (2840, 551657), (3160, 495793), (5609, 279320), (6983, 224360), (11218, 139660), (13966, 112180), (22436, 69830), (27932, 56090), (28045, 55864), (34915, 44872)]