12728137480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1\times {\mathrm{1259}}^1$

素因数の和:1595

約数の個数: 96

約数和(自身を含む): 29728036800

約数和(自身を除く): 16999899320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 263, 310, 526, 620, 961, 1052, 1240, 1259, 1315, 1922, 2104, 2518, 2630, 3844, 4805, 5036, 5260, 6295, 7688, 8153, 9610, 10072, 10520, 12590, 16306, 19220, 25180, 32612, 38440, 39029, 40765, 50360, 65224, 78058, 81530, 156116, 163060, 195145, 252743, 312232, 326120, 331117, 390290, 505486, 662234, 780580, 1010972, 1209899, 1263715, 1324468, 1561160, 1655585, 2021944, 2419798, 2527430, 2648936, 3311170, 4839596, 5054860, 6049495, 6622340, 9679192, 10109720, 10264627, 12098990, 13244680, 20529254, 24197980, 41058508, 48395960, 51323135, 82117016, 102646270, 205292540, 318203437, 410585080, 636406874, 1272813748, 1591017185, 2545627496, 3182034370, 6364068740, 12728137480]

約数ペア:

[(1, 12728137480), (2, 6364068740), (4, 3182034370), (5, 2545627496), (8, 1591017185), (10, 1272813748), (20, 636406874), (31, 410585080), (40, 318203437), (62, 205292540), (124, 102646270), (155, 82117016), (248, 51323135), (263, 48395960), (310, 41058508), (526, 24197980), (620, 20529254), (961, 13244680), (1052, 12098990), (1240, 10264627), (1259, 10109720), (1315, 9679192), (1922, 6622340), (2104, 6049495), (2518, 5054860), (2630, 4839596), (3844, 3311170), (4805, 2648936), (5036, 2527430), (5260, 2419798), (6295, 2021944), (7688, 1655585), (8153, 1561160), (9610, 1324468), (10072, 1263715), (10520, 1209899), (12590, 1010972), (16306, 780580), (19220, 662234), (25180, 505486), (32612, 390290), (38440, 331117), (39029, 326120), (40765, 312232), (50360, 252743), (65224, 195145), (78058, 163060), (81530, 156116)]