245521320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8087}}^1$

素因数の和:8135

約数の個数: 128

約数和(自身を含む): 838563840

約数和(自身を除く): 593042520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1265, 1320, 1380, 1518, 2024, 2530, 2760, 3036, 3795, 5060, 6072, 7590, 8087, 10120, 15180, 16174, 24261, 30360, 32348, 40435, 48522, 64696, 80870, 88957, 97044, 121305, 161740, 177914, 186001, 194088, 242610, 266871, 323480, 355828, 372002, 444785, 485220, 533742, 558003, 711656, 744004, 889570, 930005, 970440, 1067484, 1116006, 1334355, 1488008, 1779140, 1860010, 2046011, 2134968, 2232012, 2668710, 2790015, 3558280, 3720020, 4092022, 4464024, 5337420, 5580030, 6138033, 7440040, 8184044, 10230055, 10674840, 11160060, 12276066, 16368088, 20460110, 22320120, 24552132, 30690165, 40920220, 49104264, 61380330, 81840440, 122760660, 245521320]

約数ペア:

[(1, 245521320), (2, 122760660), (3, 81840440), (4, 61380330), (5, 49104264), (6, 40920220), (8, 30690165), (10, 24552132), (11, 22320120), (12, 20460110), (15, 16368088), (20, 12276066), (22, 11160060), (23, 10674840), (24, 10230055), (30, 8184044), (33, 7440040), (40, 6138033), (44, 5580030), (46, 5337420), (55, 4464024), (60, 4092022), (66, 3720020), (69, 3558280), (88, 2790015), (92, 2668710), (110, 2232012), (115, 2134968), (120, 2046011), (132, 1860010), (138, 1779140), (165, 1488008), (184, 1334355), (220, 1116006), (230, 1067484), (253, 970440), (264, 930005), (276, 889570), (330, 744004), (345, 711656), (440, 558003), (460, 533742), (506, 485220), (552, 444785), (660, 372002), (690, 355828), (759, 323480), (920, 266871), (1012, 242610), (1265, 194088), (1320, 186001), (1380, 177914), (1518, 161740), (2024, 121305), (2530, 97044), (2760, 88957), (3036, 80870), (3795, 64696), (5060, 48522), (6072, 40435), (7590, 32348), (8087, 30360), (10120, 24261), (15180, 16174)]