248688960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19927}}^1$

素因数の和:19960

約数の個数: 112

約数和(自身を含む): 850367616

約数和(自身を除く): 601678656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 19927, 39854, 59781, 79708, 99635, 119562, 159416, 199270, 239124, 259051, 298905, 318832, 398540, 478248, 518102, 597810, 637664, 777153, 797080, 956496, 1036204, 1195620, 1275328, 1295255, 1554306, 1594160, 1912992, 2072408, 2391240, 2590510, 3108612, 3188320, 3825984, 3885765, 4144816, 4782480, 5181020, 6217224, 6376640, 7771530, 8289632, 9564960, 10362040, 12434448, 15543060, 16579264, 19129920, 20724080, 24868896, 31086120, 41448160, 49737792, 62172240, 82896320, 124344480, 248688960]

約数ペア:

[(1, 248688960), (2, 124344480), (3, 82896320), (4, 62172240), (5, 49737792), (6, 41448160), (8, 31086120), (10, 24868896), (12, 20724080), (13, 19129920), (15, 16579264), (16, 15543060), (20, 12434448), (24, 10362040), (26, 9564960), (30, 8289632), (32, 7771530), (39, 6376640), (40, 6217224), (48, 5181020), (52, 4782480), (60, 4144816), (64, 3885765), (65, 3825984), (78, 3188320), (80, 3108612), (96, 2590510), (104, 2391240), (120, 2072408), (130, 1912992), (156, 1594160), (160, 1554306), (192, 1295255), (195, 1275328), (208, 1195620), (240, 1036204), (260, 956496), (312, 797080), (320, 777153), (390, 637664), (416, 597810), (480, 518102), (520, 478248), (624, 398540), (780, 318832), (832, 298905), (960, 259051), (1040, 239124), (1248, 199270), (1560, 159416), (2080, 119562), (2496, 99635), (3120, 79708), (4160, 59781), (6240, 39854), (12480, 19927)]