1949697720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{21577}}^1$

素因数の和:21845

約数の個数: 96

約数和(自身を含む): 6362057520

約数和(自身を除く): 4412359800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 251, 360, 502, 753, 1004, 1255, 1506, 2008, 2259, 2510, 3012, 3765, 4518, 5020, 6024, 7530, 9036, 10040, 11295, 15060, 18072, 21577, 22590, 30120, 43154, 45180, 64731, 86308, 90360, 107885, 129462, 172616, 194193, 215770, 258924, 323655, 388386, 431540, 517848, 647310, 776772, 863080, 970965, 1294620, 1553544, 1941930, 2589240, 3883860, 5415827, 7767720, 10831654, 16247481, 21663308, 27079135, 32494962, 43326616, 48742443, 54158270, 64989924, 81237405, 97484886, 108316540, 129979848, 162474810, 194969772, 216633080, 243712215, 324949620, 389939544, 487424430, 649899240, 974848860, 1949697720]

約数ペア:

[(1, 1949697720), (2, 974848860), (3, 649899240), (4, 487424430), (5, 389939544), (6, 324949620), (8, 243712215), (9, 216633080), (10, 194969772), (12, 162474810), (15, 129979848), (18, 108316540), (20, 97484886), (24, 81237405), (30, 64989924), (36, 54158270), (40, 48742443), (45, 43326616), (60, 32494962), (72, 27079135), (90, 21663308), (120, 16247481), (180, 10831654), (251, 7767720), (360, 5415827), (502, 3883860), (753, 2589240), (1004, 1941930), (1255, 1553544), (1506, 1294620), (2008, 970965), (2259, 863080), (2510, 776772), (3012, 647310), (3765, 517848), (4518, 431540), (5020, 388386), (6024, 323655), (7530, 258924), (9036, 215770), (10040, 194193), (11295, 172616), (15060, 129462), (18072, 107885), (21577, 90360), (22590, 86308), (30120, 64731), (43154, 45180)]