245523720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5077}}^1$

素因数の和:5135

約数の個数: 128

約数和(自身を含む): 818979840

約数和(自身を除く): 573456120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 5077, 6045, 8060, 9672, 10154, 12090, 15231, 16120, 20308, 24180, 25385, 30462, 40616, 48360, 50770, 60924, 66001, 76155, 101540, 121848, 132002, 152310, 157387, 198003, 203080, 264004, 304620, 314774, 330005, 396006, 472161, 528008, 609240, 629548, 660010, 786935, 792012, 944322, 990015, 1259096, 1320020, 1573870, 1584024, 1888644, 1980030, 2046031, 2360805, 2640040, 3147740, 3777288, 3960060, 4092062, 4721610, 6138093, 6295480, 7920120, 8184124, 9443220, 10230155, 12276186, 16368248, 18886440, 20460310, 24552372, 30690465, 40920620, 49104744, 61380930, 81841240, 122761860, 245523720]

約数ペア:

[(1, 245523720), (2, 122761860), (3, 81841240), (4, 61380930), (5, 49104744), (6, 40920620), (8, 30690465), (10, 24552372), (12, 20460310), (13, 18886440), (15, 16368248), (20, 12276186), (24, 10230155), (26, 9443220), (30, 8184124), (31, 7920120), (39, 6295480), (40, 6138093), (52, 4721610), (60, 4092062), (62, 3960060), (65, 3777288), (78, 3147740), (93, 2640040), (104, 2360805), (120, 2046031), (124, 1980030), (130, 1888644), (155, 1584024), (156, 1573870), (186, 1320020), (195, 1259096), (248, 990015), (260, 944322), (310, 792012), (312, 786935), (372, 660010), (390, 629548), (403, 609240), (465, 528008), (520, 472161), (620, 396006), (744, 330005), (780, 314774), (806, 304620), (930, 264004), (1209, 203080), (1240, 198003), (1560, 157387), (1612, 152310), (1860, 132002), (2015, 121848), (2418, 101540), (3224, 76155), (3720, 66001), (4030, 60924), (4836, 50770), (5077, 48360), (6045, 40616), (8060, 30462), (9672, 25385), (10154, 24180), (12090, 20308), (15231, 16120)]