15960240

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 120

約数和(自身を含む): 55652688

約数和(自身を除く): 39692448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 821, 972, 1080, 1215, 1296, 1620, 1642, 1944, 2160, 2430, 2463, 3240, 3284, 3888, 4105, 4860, 4926, 6480, 6568, 7389, 8210, 9720, 9852, 12315, 13136, 14778, 16420, 19440, 19704, 22167, 24630, 29556, 32840, 36945, 39408, 44334, 49260, 59112, 65680, 66501, 73890, 88668, 98520, 110835, 118224, 133002, 147780, 177336, 197040, 199503, 221670, 266004, 295560, 332505, 354672, 399006, 443340, 532008, 591120, 665010, 798012, 886680, 997515, 1064016, 1330020, 1596024, 1773360, 1995030, 2660040, 3192048, 3990060, 5320080, 7980120, 15960240]

約数ペア:

[(1, 15960240), (2, 7980120), (3, 5320080), (4, 3990060), (5, 3192048), (6, 2660040), (8, 1995030), (9, 1773360), (10, 1596024), (12, 1330020), (15, 1064016), (16, 997515), (18, 886680), (20, 798012), (24, 665010), (27, 591120), (30, 532008), (36, 443340), (40, 399006), (45, 354672), (48, 332505), (54, 295560), (60, 266004), (72, 221670), (80, 199503), (81, 197040), (90, 177336), (108, 147780), (120, 133002), (135, 118224), (144, 110835), (162, 98520), (180, 88668), (216, 73890), (240, 66501), (243, 65680), (270, 59112), (324, 49260), (360, 44334), (405, 39408), (432, 36945), (486, 32840), (540, 29556), (648, 24630), (720, 22167), (810, 19704), (821, 19440), (972, 16420), (1080, 14778), (1215, 13136), (1296, 12315), (1620, 9852), (1642, 9720), (1944, 8210), (2160, 7389), (2430, 6568), (2463, 6480), (3240, 4926), (3284, 4860), (3888, 4105)]