28886880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5471}}^1$

素因数の和:5500

約数の個数: 96

約数和(自身を含む): 99283968

約数和(自身を除く): 70397088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 5471, 10942, 16413, 21884, 27355, 32826, 43768, 54710, 60181, 65652, 82065, 87536, 109420, 120362, 131304, 164130, 175072, 180543, 218840, 240724, 262608, 300905, 328260, 361086, 437680, 481448, 525216, 601810, 656520, 722172, 875360, 902715, 962896, 1203620, 1313040, 1444344, 1805430, 1925792, 2407240, 2626080, 2888688, 3610860, 4814480, 5777376, 7221720, 9628960, 14443440, 28886880]

約数ペア:

[(1, 28886880), (2, 14443440), (3, 9628960), (4, 7221720), (5, 5777376), (6, 4814480), (8, 3610860), (10, 2888688), (11, 2626080), (12, 2407240), (15, 1925792), (16, 1805430), (20, 1444344), (22, 1313040), (24, 1203620), (30, 962896), (32, 902715), (33, 875360), (40, 722172), (44, 656520), (48, 601810), (55, 525216), (60, 481448), (66, 437680), (80, 361086), (88, 328260), (96, 300905), (110, 262608), (120, 240724), (132, 218840), (160, 180543), (165, 175072), (176, 164130), (220, 131304), (240, 120362), (264, 109420), (330, 87536), (352, 82065), (440, 65652), (480, 60181), (528, 54710), (660, 43768), (880, 32826), (1056, 27355), (1320, 21884), (1760, 16413), (2640, 10942), (5280, 5471)]