161798560

素因数分解:

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

素因数の和:627

約数の個数: 192

約数和(自身を含む): 498161664

約数和(自身を除く): 336363104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 160, 161, 176, 184, 220, 224, 230, 253, 280, 308, 322, 352, 368, 385, 440, 460, 506, 560, 571, 616, 644, 736, 770, 805, 880, 920, 1012, 1120, 1142, 1232, 1265, 1288, 1540, 1610, 1760, 1771, 1840, 2024, 2284, 2464, 2530, 2576, 2855, 3080, 3220, 3542, 3680, 3997, 4048, 4568, 5060, 5152, 5710, 6160, 6281, 6440, 7084, 7994, 8096, 8855, 9136, 10120, 11420, 12320, 12562, 12880, 13133, 14168, 15988, 17710, 18272, 19985, 20240, 22840, 25124, 25760, 26266, 28336, 31405, 31976, 35420, 39970, 40480, 43967, 45680, 50248, 52532, 56672, 62810, 63952, 65665, 70840, 79940, 87934, 91360, 91931, 100496, 105064, 125620, 127904, 131330, 141680, 144463, 159880, 175868, 183862, 200992, 210128, 219835, 251240, 262660, 283360, 288926, 319760, 351736, 367724, 420256, 439670, 459655, 502480, 525320, 577852, 639520, 703472, 722315, 735448, 879340, 919310, 1004960, 1011241, 1050640, 1155704, 1406944, 1444630, 1470896, 1758680, 1838620, 2022482, 2101280, 2311408, 2889260, 2941792, 3517360, 3677240, 4044964, 4622816, 5056205, 5778520, 7034720, 7354480, 8089928, 10112410, 11557040, 14708960, 16179856, 20224820, 23114080, 32359712, 40449640, 80899280, 161798560]

約数ペア:

[(1, 161798560), (2, 80899280), (4, 40449640), (5, 32359712), (7, 23114080), (8, 20224820), (10, 16179856), (11, 14708960), (14, 11557040), (16, 10112410), (20, 8089928), (22, 7354480), (23, 7034720), (28, 5778520), (32, 5056205), (35, 4622816), (40, 4044964), (44, 3677240), (46, 3517360), (55, 2941792), (56, 2889260), (70, 2311408), (77, 2101280), (80, 2022482), (88, 1838620), (92, 1758680), (110, 1470896), (112, 1444630), (115, 1406944), (140, 1155704), (154, 1050640), (160, 1011241), (161, 1004960), (176, 919310), (184, 879340), (220, 735448), (224, 722315), (230, 703472), (253, 639520), (280, 577852), (308, 525320), (322, 502480), (352, 459655), (368, 439670), (385, 420256), (440, 367724), (460, 351736), (506, 319760), (560, 288926), (571, 283360), (616, 262660), (644, 251240), (736, 219835), (770, 210128), (805, 200992), (880, 183862), (920, 175868), (1012, 159880), (1120, 144463), (1142, 141680), (1232, 131330), (1265, 127904), (1288, 125620), (1540, 105064), (1610, 100496), (1760, 91931), (1771, 91360), (1840, 87934), (2024, 79940), (2284, 70840), (2464, 65665), (2530, 63952), (2576, 62810), (2855, 56672), (3080, 52532), (3220, 50248), (3542, 45680), (3680, 43967), (3997, 40480), (4048, 39970), (4568, 35420), (5060, 31976), (5152, 31405), (5710, 28336), (6160, 26266), (6281, 25760), (6440, 25124), (7084, 22840), (7994, 20240), (8096, 19985), (8855, 18272), (9136, 17710), (10120, 15988), (11420, 14168), (12320, 13133), (12562, 12880)]