28886640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3253}}^1$

素因数の和:3306

約数の個数: 80

約数和(自身を含む): 91997088

約数和(自身を除く): 63110448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 3253, 4440, 6506, 8880, 9759, 13012, 16265, 19518, 26024, 32530, 39036, 48795, 52048, 65060, 78072, 97590, 120361, 130120, 156144, 195180, 240722, 260240, 361083, 390360, 481444, 601805, 722166, 780720, 962888, 1203610, 1444332, 1805415, 1925776, 2407220, 2888664, 3610830, 4814440, 5777328, 7221660, 9628880, 14443320, 28886640]

約数ペア:

[(1, 28886640), (2, 14443320), (3, 9628880), (4, 7221660), (5, 5777328), (6, 4814440), (8, 3610830), (10, 2888664), (12, 2407220), (15, 1925776), (16, 1805415), (20, 1444332), (24, 1203610), (30, 962888), (37, 780720), (40, 722166), (48, 601805), (60, 481444), (74, 390360), (80, 361083), (111, 260240), (120, 240722), (148, 195180), (185, 156144), (222, 130120), (240, 120361), (296, 97590), (370, 78072), (444, 65060), (555, 52048), (592, 48795), (740, 39036), (888, 32530), (1110, 26024), (1480, 19518), (1776, 16265), (2220, 13012), (2960, 9759), (3253, 8880), (4440, 6506)]