80899280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 160

約数和(自身を含む): 245127168

約数和(自身を除く): 164227888

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 161, 176, 184, 220, 230, 253, 280, 308, 322, 368, 385, 440, 460, 506, 560, 571, 616, 644, 770, 805, 880, 920, 1012, 1142, 1232, 1265, 1288, 1540, 1610, 1771, 1840, 2024, 2284, 2530, 2576, 2855, 3080, 3220, 3542, 3997, 4048, 4568, 5060, 5710, 6160, 6281, 6440, 7084, 7994, 8855, 9136, 10120, 11420, 12562, 12880, 13133, 14168, 15988, 17710, 19985, 20240, 22840, 25124, 26266, 28336, 31405, 31976, 35420, 39970, 43967, 45680, 50248, 52532, 62810, 63952, 65665, 70840, 79940, 87934, 91931, 100496, 105064, 125620, 131330, 141680, 144463, 159880, 175868, 183862, 210128, 219835, 251240, 262660, 288926, 319760, 351736, 367724, 439670, 459655, 502480, 525320, 577852, 703472, 722315, 735448, 879340, 919310, 1011241, 1050640, 1155704, 1444630, 1470896, 1758680, 1838620, 2022482, 2311408, 2889260, 3517360, 3677240, 4044964, 5056205, 5778520, 7354480, 8089928, 10112410, 11557040, 16179856, 20224820, 40449640, 80899280]

約数ペア:

[(1, 80899280), (2, 40449640), (4, 20224820), (5, 16179856), (7, 11557040), (8, 10112410), (10, 8089928), (11, 7354480), (14, 5778520), (16, 5056205), (20, 4044964), (22, 3677240), (23, 3517360), (28, 2889260), (35, 2311408), (40, 2022482), (44, 1838620), (46, 1758680), (55, 1470896), (56, 1444630), (70, 1155704), (77, 1050640), (80, 1011241), (88, 919310), (92, 879340), (110, 735448), (112, 722315), (115, 703472), (140, 577852), (154, 525320), (161, 502480), (176, 459655), (184, 439670), (220, 367724), (230, 351736), (253, 319760), (280, 288926), (308, 262660), (322, 251240), (368, 219835), (385, 210128), (440, 183862), (460, 175868), (506, 159880), (560, 144463), (571, 141680), (616, 131330), (644, 125620), (770, 105064), (805, 100496), (880, 91931), (920, 87934), (1012, 79940), (1142, 70840), (1232, 65665), (1265, 63952), (1288, 62810), (1540, 52532), (1610, 50248), (1771, 45680), (1840, 43967), (2024, 39970), (2284, 35420), (2530, 31976), (2576, 31405), (2855, 28336), (3080, 26266), (3220, 25124), (3542, 22840), (3997, 20240), (4048, 19985), (4568, 17710), (5060, 15988), (5710, 14168), (6160, 13133), (6281, 12880), (6440, 12562), (7084, 11420), (7994, 10120), (8855, 9136)]