16787640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 54720000

約数和(自身を除く): 37932360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 199, 222, 228, 285, 296, 370, 380, 398, 444, 456, 555, 570, 597, 703, 740, 760, 796, 888, 995, 1110, 1140, 1194, 1406, 1480, 1592, 1990, 2109, 2220, 2280, 2388, 2812, 2985, 3515, 3781, 3980, 4218, 4440, 4776, 5624, 5970, 7030, 7363, 7562, 7960, 8436, 10545, 11343, 11940, 14060, 14726, 15124, 16872, 18905, 21090, 22089, 22686, 23880, 28120, 29452, 30248, 36815, 37810, 42180, 44178, 45372, 56715, 58904, 73630, 75620, 84360, 88356, 90744, 110445, 113430, 139897, 147260, 151240, 176712, 220890, 226860, 279794, 294520, 419691, 441780, 453720, 559588, 699485, 839382, 883560, 1119176, 1398970, 1678764, 2098455, 2797940, 3357528, 4196910, 5595880, 8393820, 16787640]

約数ペア:

[(1, 16787640), (2, 8393820), (3, 5595880), (4, 4196910), (5, 3357528), (6, 2797940), (8, 2098455), (10, 1678764), (12, 1398970), (15, 1119176), (19, 883560), (20, 839382), (24, 699485), (30, 559588), (37, 453720), (38, 441780), (40, 419691), (57, 294520), (60, 279794), (74, 226860), (76, 220890), (95, 176712), (111, 151240), (114, 147260), (120, 139897), (148, 113430), (152, 110445), (185, 90744), (190, 88356), (199, 84360), (222, 75620), (228, 73630), (285, 58904), (296, 56715), (370, 45372), (380, 44178), (398, 42180), (444, 37810), (456, 36815), (555, 30248), (570, 29452), (597, 28120), (703, 23880), (740, 22686), (760, 22089), (796, 21090), (888, 18905), (995, 16872), (1110, 15124), (1140, 14726), (1194, 14060), (1406, 11940), (1480, 11343), (1592, 10545), (1990, 8436), (2109, 7960), (2220, 7562), (2280, 7363), (2388, 7030), (2812, 5970), (2985, 5624), (3515, 4776), (3781, 4440), (3980, 4218)]