490161240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23887}}^1$

素因数の和:23926

約数の個数: 128

約数和(自身を含む): 1719936000

約数和(自身を除く): 1229774760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 23887, 47774, 71661, 95548, 119435, 143322, 191096, 214983, 238870, 286644, 358305, 429966, 453853, 477740, 573288, 644949, 716610, 859932, 907706, 955480, 1074915, 1289898, 1361559, 1433220, 1719864, 1815412, 2149830, 2269265, 2579796, 2723118, 2866440, 3224745, 3630824, 4084677, 4299660, 4538530, 5159592, 5446236, 6449490, 6807795, 8169354, 8599320, 9077060, 10892472, 12254031, 12898980, 13615590, 16338708, 18154120, 20423385, 24508062, 25797960, 27231180, 32677416, 40846770, 49016124, 54462360, 61270155, 81693540, 98032248, 122540310, 163387080, 245080620, 490161240]

約数ペア:

[(1, 490161240), (2, 245080620), (3, 163387080), (4, 122540310), (5, 98032248), (6, 81693540), (8, 61270155), (9, 54462360), (10, 49016124), (12, 40846770), (15, 32677416), (18, 27231180), (19, 25797960), (20, 24508062), (24, 20423385), (27, 18154120), (30, 16338708), (36, 13615590), (38, 12898980), (40, 12254031), (45, 10892472), (54, 9077060), (57, 8599320), (60, 8169354), (72, 6807795), (76, 6449490), (90, 5446236), (95, 5159592), (108, 4538530), (114, 4299660), (120, 4084677), (135, 3630824), (152, 3224745), (171, 2866440), (180, 2723118), (190, 2579796), (216, 2269265), (228, 2149830), (270, 1815412), (285, 1719864), (342, 1433220), (360, 1361559), (380, 1289898), (456, 1074915), (513, 955480), (540, 907706), (570, 859932), (684, 716610), (760, 644949), (855, 573288), (1026, 477740), (1080, 453853), (1140, 429966), (1368, 358305), (1710, 286644), (2052, 238870), (2280, 214983), (2565, 191096), (3420, 143322), (4104, 119435), (5130, 95548), (6840, 71661), (10260, 47774), (20520, 23887)]