254824440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 827366400

約数和(自身を除く): 572541960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 379, 390, 431, 520, 758, 780, 862, 1137, 1293, 1516, 1560, 1724, 1895, 2155, 2274, 2586, 3032, 3448, 3790, 4310, 4548, 4927, 5172, 5603, 5685, 6465, 7580, 8620, 9096, 9854, 10344, 11206, 11370, 12930, 14781, 15160, 16809, 17240, 19708, 22412, 22740, 24635, 25860, 28015, 29562, 33618, 39416, 44824, 45480, 49270, 51720, 56030, 59124, 67236, 73905, 84045, 98540, 112060, 118248, 134472, 147810, 163349, 168090, 197080, 224120, 295620, 326698, 336180, 490047, 591240, 653396, 672360, 816745, 980094, 1306792, 1633490, 1960188, 2123537, 2450235, 3266980, 3920376, 4247074, 4900470, 6370611, 6533960, 8494148, 9800940, 10617685, 12741222, 16988296, 19601880, 21235370, 25482444, 31853055, 42470740, 50964888, 63706110, 84941480, 127412220, 254824440]

約数ペア:

[(1, 254824440), (2, 127412220), (3, 84941480), (4, 63706110), (5, 50964888), (6, 42470740), (8, 31853055), (10, 25482444), (12, 21235370), (13, 19601880), (15, 16988296), (20, 12741222), (24, 10617685), (26, 9800940), (30, 8494148), (39, 6533960), (40, 6370611), (52, 4900470), (60, 4247074), (65, 3920376), (78, 3266980), (104, 2450235), (120, 2123537), (130, 1960188), (156, 1633490), (195, 1306792), (260, 980094), (312, 816745), (379, 672360), (390, 653396), (431, 591240), (520, 490047), (758, 336180), (780, 326698), (862, 295620), (1137, 224120), (1293, 197080), (1516, 168090), (1560, 163349), (1724, 147810), (1895, 134472), (2155, 118248), (2274, 112060), (2586, 98540), (3032, 84045), (3448, 73905), (3790, 67236), (4310, 59124), (4548, 56030), (4927, 51720), (5172, 49270), (5603, 45480), (5685, 44824), (6465, 39416), (7580, 33618), (8620, 29562), (9096, 28015), (9854, 25860), (10344, 24635), (11206, 22740), (11370, 22412), (12930, 19708), (14781, 17240), (15160, 16809)]