31105080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 105235200

約数和(自身を除く): 74130120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 83, 90, 108, 120, 135, 166, 180, 216, 249, 270, 332, 347, 360, 415, 498, 540, 664, 694, 747, 830, 996, 1041, 1080, 1245, 1388, 1494, 1660, 1735, 1992, 2082, 2241, 2490, 2776, 2988, 3123, 3320, 3470, 3735, 4164, 4482, 4980, 5205, 5976, 6246, 6940, 7470, 8328, 8964, 9369, 9960, 10410, 11205, 12492, 13880, 14940, 15615, 17928, 18738, 20820, 22410, 24984, 28801, 29880, 31230, 37476, 41640, 44820, 46845, 57602, 62460, 74952, 86403, 89640, 93690, 115204, 124920, 144005, 172806, 187380, 230408, 259209, 288010, 345612, 374760, 432015, 518418, 576020, 691224, 777627, 864030, 1036836, 1152040, 1296045, 1555254, 1728060, 2073672, 2592090, 3110508, 3456120, 3888135, 5184180, 6221016, 7776270, 10368360, 15552540, 31105080]

約数ペア:

[(1, 31105080), (2, 15552540), (3, 10368360), (4, 7776270), (5, 6221016), (6, 5184180), (8, 3888135), (9, 3456120), (10, 3110508), (12, 2592090), (15, 2073672), (18, 1728060), (20, 1555254), (24, 1296045), (27, 1152040), (30, 1036836), (36, 864030), (40, 777627), (45, 691224), (54, 576020), (60, 518418), (72, 432015), (83, 374760), (90, 345612), (108, 288010), (120, 259209), (135, 230408), (166, 187380), (180, 172806), (216, 144005), (249, 124920), (270, 115204), (332, 93690), (347, 89640), (360, 86403), (415, 74952), (498, 62460), (540, 57602), (664, 46845), (694, 44820), (747, 41640), (830, 37476), (996, 31230), (1041, 29880), (1080, 28801), (1245, 24984), (1388, 22410), (1494, 20820), (1660, 18738), (1735, 17928), (1992, 15615), (2082, 14940), (2241, 13880), (2490, 12492), (2776, 11205), (2988, 10410), (3123, 9960), (3320, 9369), (3470, 8964), (3735, 8328), (4164, 7470), (4482, 6940), (4980, 6246), (5205, 5976)]