278292240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6781}}^1$

素因数の和:6822

約数の個数: 160

約数和(自身を含む): 1009161600

約数和(自身を除く): 730869360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6781, 6840, 8208, 10260, 13562, 13680, 20343, 20520, 27124, 33905, 40686, 41040, 54248, 61029, 67810, 81372, 101715, 108496, 122058, 128839, 135620, 162744, 183087, 203430, 244116, 257678, 271240, 305145, 325488, 366174, 386517, 406860, 488232, 515356, 542480, 610290, 644195, 732348, 773034, 813720, 915435, 976464, 1030712, 1159551, 1220580, 1288390, 1464696, 1546068, 1627440, 1830870, 1932585, 2061424, 2319102, 2441160, 2576780, 2929392, 3092136, 3478653, 3661740, 3865170, 4638204, 4882320, 5153560, 5797755, 6184272, 6957306, 7323480, 7730340, 9276408, 10307120, 11595510, 13914612, 14646960, 15460680, 17393265, 18552816, 23191020, 27829224, 30921360, 34786530, 46382040, 55658448, 69573060, 92764080, 139146120, 278292240]

約数ペア:

[(1, 278292240), (2, 139146120), (3, 92764080), (4, 69573060), (5, 55658448), (6, 46382040), (8, 34786530), (9, 30921360), (10, 27829224), (12, 23191020), (15, 18552816), (16, 17393265), (18, 15460680), (19, 14646960), (20, 13914612), (24, 11595510), (27, 10307120), (30, 9276408), (36, 7730340), (38, 7323480), (40, 6957306), (45, 6184272), (48, 5797755), (54, 5153560), (57, 4882320), (60, 4638204), (72, 3865170), (76, 3661740), (80, 3478653), (90, 3092136), (95, 2929392), (108, 2576780), (114, 2441160), (120, 2319102), (135, 2061424), (144, 1932585), (152, 1830870), (171, 1627440), (180, 1546068), (190, 1464696), (216, 1288390), (228, 1220580), (240, 1159551), (270, 1030712), (285, 976464), (304, 915435), (342, 813720), (360, 773034), (380, 732348), (432, 644195), (456, 610290), (513, 542480), (540, 515356), (570, 488232), (684, 406860), (720, 386517), (760, 366174), (855, 325488), (912, 305145), (1026, 271240), (1080, 257678), (1140, 244116), (1368, 203430), (1520, 183087), (1710, 162744), (2052, 135620), (2160, 128839), (2280, 122058), (2565, 108496), (2736, 101715), (3420, 81372), (4104, 67810), (4560, 61029), (5130, 54248), (6781, 41040), (6840, 40686), (8208, 33905), (10260, 27124), (13562, 20520), (13680, 20343)]