306485280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{212837}}^1$

素因数の和:212858

約数の個数: 72

約数和(自身を含む): 1045885932

約数和(自身を除く): 739400652

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 212837, 425674, 638511, 851348, 1064185, 1277022, 1702696, 1915533, 2128370, 2554044, 3192555, 3405392, 3831066, 4256740, 5108088, 6385110, 6810784, 7662132, 8513480, 9577665, 10216176, 12770220, 15324264, 17026960, 19155330, 20432352, 25540440, 30648528, 34053920, 38310660, 51080880, 61297056, 76621320, 102161760, 153242640, 306485280]

約数ペア:

[(1, 306485280), (2, 153242640), (3, 102161760), (4, 76621320), (5, 61297056), (6, 51080880), (8, 38310660), (9, 34053920), (10, 30648528), (12, 25540440), (15, 20432352), (16, 19155330), (18, 17026960), (20, 15324264), (24, 12770220), (30, 10216176), (32, 9577665), (36, 8513480), (40, 7662132), (45, 6810784), (48, 6385110), (60, 5108088), (72, 4256740), (80, 3831066), (90, 3405392), (96, 3192555), (120, 2554044), (144, 2128370), (160, 1915533), (180, 1702696), (240, 1277022), (288, 1064185), (360, 851348), (480, 638511), (720, 425674), (1440, 212837)]