260727840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{181061}}^1$

素因数の和:181082

約数の個数: 72

約数和(自身を含む): 889738668

約数和(自身を除く): 629010828

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, 181061, 362122, 543183, 724244, 905305, 1086366, 1448488, 1629549, 1810610, 2172732, 2715915, 2896976, 3259098, 3621220, 4345464, 5431830, 5793952, 6518196, 7242440, 8147745, 8690928, 10863660, 13036392, 14484880, 16295490, 17381856, 21727320, 26072784, 28969760, 32590980, 43454640, 52145568, 65181960, 86909280, 130363920, 260727840]

約数ペア:

[(1, 260727840), (2, 130363920), (3, 86909280), (4, 65181960), (5, 52145568), (6, 43454640), (8, 32590980), (9, 28969760), (10, 26072784), (12, 21727320), (15, 17381856), (16, 16295490), (18, 14484880), (20, 13036392), (24, 10863660), (30, 8690928), (32, 8147745), (36, 7242440), (40, 6518196), (45, 5793952), (48, 5431830), (60, 4345464), (72, 3621220), (80, 3259098), (90, 2896976), (96, 2715915), (120, 2172732), (144, 1810610), (160, 1629549), (180, 1448488), (240, 1086366), (288, 905305), (360, 724244), (480, 543183), (720, 362122), (1440, 181061)]