280945920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3228

約数の個数: 144

約数和(自身を含む): 936577152

約数和(自身を除く): 655631232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3181, 3680, 3840, 4416, 5520, 5888, 6362, 7360, 8832, 9543, 11040, 12724, 14720, 15905, 17664, 19086, 22080, 25448, 29440, 31810, 38172, 44160, 47715, 50896, 63620, 73163, 76344, 88320, 95430, 101792, 127240, 146326, 152688, 190860, 203584, 219489, 254480, 292652, 305376, 365815, 381720, 407168, 438978, 508960, 585304, 610752, 731630, 763440, 814336, 877956, 1017920, 1097445, 1170608, 1221504, 1463260, 1526880, 1755912, 2035840, 2194890, 2341216, 2443008, 2926520, 3053760, 3511824, 4071680, 4389780, 4682432, 5853040, 6107520, 7023648, 8779560, 9364864, 11706080, 12215040, 14047296, 17559120, 18729728, 23412160, 28094592, 35118240, 46824320, 56189184, 70236480, 93648640, 140472960, 280945920]

約数ペア:

[(1, 280945920), (2, 140472960), (3, 93648640), (4, 70236480), (5, 56189184), (6, 46824320), (8, 35118240), (10, 28094592), (12, 23412160), (15, 18729728), (16, 17559120), (20, 14047296), (23, 12215040), (24, 11706080), (30, 9364864), (32, 8779560), (40, 7023648), (46, 6107520), (48, 5853040), (60, 4682432), (64, 4389780), (69, 4071680), (80, 3511824), (92, 3053760), (96, 2926520), (115, 2443008), (120, 2341216), (128, 2194890), (138, 2035840), (160, 1755912), (184, 1526880), (192, 1463260), (230, 1221504), (240, 1170608), (256, 1097445), (276, 1017920), (320, 877956), (345, 814336), (368, 763440), (384, 731630), (460, 610752), (480, 585304), (552, 508960), (640, 438978), (690, 407168), (736, 381720), (768, 365815), (920, 305376), (960, 292652), (1104, 254480), (1280, 219489), (1380, 203584), (1472, 190860), (1840, 152688), (1920, 146326), (2208, 127240), (2760, 101792), (2944, 95430), (3181, 88320), (3680, 76344), (3840, 73163), (4416, 63620), (5520, 50896), (5888, 47715), (6362, 44160), (7360, 38172), (8832, 31810), (9543, 29440), (11040, 25448), (12724, 22080), (14720, 19086), (15905, 17664)]