87016720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{155387}}^1$

素因数の和:155407

約数の個数: 40

約数和(自身を含む): 231217344

約数和(自身を除く): 144200624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 155387, 310774, 621548, 776935, 1087709, 1243096, 1553870, 2175418, 2486192, 3107740, 4350836, 5438545, 6215480, 8701672, 10877090, 12430960, 17403344, 21754180, 43508360, 87016720]

約数ペア:

[(1, 87016720), (2, 43508360), (4, 21754180), (5, 17403344), (7, 12430960), (8, 10877090), (10, 8701672), (14, 6215480), (16, 5438545), (20, 4350836), (28, 3107740), (35, 2486192), (40, 2175418), (56, 1553870), (70, 1243096), (80, 1087709), (112, 776935), (140, 621548), (280, 310774), (560, 155387)]