1790481920

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:740

約数の個数: 160

約数和(自身を含む): 4581992448

約数和(自身を除く): 2791510528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 92, 94, 115, 128, 160, 184, 188, 230, 235, 256, 320, 368, 376, 460, 470, 512, 640, 647, 736, 752, 920, 940, 1081, 1280, 1294, 1472, 1504, 1840, 1880, 2162, 2560, 2588, 2944, 3008, 3235, 3680, 3760, 4324, 5176, 5405, 5888, 6016, 6470, 7360, 7520, 8648, 10352, 10810, 11776, 12032, 12940, 14720, 14881, 15040, 17296, 20704, 21620, 24064, 25880, 29440, 29762, 30080, 30409, 34592, 41408, 43240, 51760, 58880, 59524, 60160, 60818, 69184, 74405, 82816, 86480, 103520, 119048, 120320, 121636, 138368, 148810, 152045, 165632, 172960, 207040, 238096, 243272, 276736, 297620, 304090, 331264, 345920, 414080, 476192, 486544, 553472, 595240, 608180, 691840, 699407, 828160, 952384, 973088, 1190480, 1216360, 1383680, 1398814, 1656320, 1904768, 1946176, 2380960, 2432720, 2767360, 2797628, 3497035, 3809536, 3892352, 4761920, 4865440, 5595256, 6994070, 7619072, 7784704, 9523840, 9730880, 11190512, 13988140, 15569408, 19047680, 19461760, 22381024, 27976280, 38095360, 38923520, 44762048, 55952560, 77847040, 89524096, 111905120, 179048192, 223810240, 358096384, 447620480, 895240960, 1790481920]

約数ペア:

[(1, 1790481920), (2, 895240960), (4, 447620480), (5, 358096384), (8, 223810240), (10, 179048192), (16, 111905120), (20, 89524096), (23, 77847040), (32, 55952560), (40, 44762048), (46, 38923520), (47, 38095360), (64, 27976280), (80, 22381024), (92, 19461760), (94, 19047680), (115, 15569408), (128, 13988140), (160, 11190512), (184, 9730880), (188, 9523840), (230, 7784704), (235, 7619072), (256, 6994070), (320, 5595256), (368, 4865440), (376, 4761920), (460, 3892352), (470, 3809536), (512, 3497035), (640, 2797628), (647, 2767360), (736, 2432720), (752, 2380960), (920, 1946176), (940, 1904768), (1081, 1656320), (1280, 1398814), (1294, 1383680), (1472, 1216360), (1504, 1190480), (1840, 973088), (1880, 952384), (2162, 828160), (2560, 699407), (2588, 691840), (2944, 608180), (3008, 595240), (3235, 553472), (3680, 486544), (3760, 476192), (4324, 414080), (5176, 345920), (5405, 331264), (5888, 304090), (6016, 297620), (6470, 276736), (7360, 243272), (7520, 238096), (8648, 207040), (10352, 172960), (10810, 165632), (11776, 152045), (12032, 148810), (12940, 138368), (14720, 121636), (14881, 120320), (15040, 119048), (17296, 103520), (20704, 86480), (21620, 82816), (24064, 74405), (25880, 69184), (29440, 60818), (29762, 60160), (30080, 59524), (30409, 58880), (34592, 51760), (41408, 43240)]