20171302880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{17789}}^1$

素因数の和:18196

約数の個数: 96

約数和(自身を含む): 50300157600

約数和(自身を除く): 30128854720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 373, 380, 608, 746, 760, 1492, 1520, 1865, 2984, 3040, 3730, 5968, 7087, 7460, 11936, 14174, 14920, 17789, 28348, 29840, 35435, 35578, 56696, 59680, 70870, 71156, 88945, 113392, 141740, 142312, 177890, 226784, 283480, 284624, 337991, 355780, 566960, 569248, 675982, 711560, 1133920, 1351964, 1423120, 1689955, 2703928, 2846240, 3379910, 5407856, 6635297, 6759820, 10815712, 13270594, 13519640, 26541188, 27039280, 33176485, 53082376, 54078560, 66352970, 106164752, 126070643, 132705940, 212329504, 252141286, 265411880, 504282572, 530823760, 630353215, 1008565144, 1061647520, 1260706430, 2017130288, 2521412860, 4034260576, 5042825720, 10085651440, 20171302880]

約数ペア:

[(1, 20171302880), (2, 10085651440), (4, 5042825720), (5, 4034260576), (8, 2521412860), (10, 2017130288), (16, 1260706430), (19, 1061647520), (20, 1008565144), (32, 630353215), (38, 530823760), (40, 504282572), (76, 265411880), (80, 252141286), (95, 212329504), (152, 132705940), (160, 126070643), (190, 106164752), (304, 66352970), (373, 54078560), (380, 53082376), (608, 33176485), (746, 27039280), (760, 26541188), (1492, 13519640), (1520, 13270594), (1865, 10815712), (2984, 6759820), (3040, 6635297), (3730, 5407856), (5968, 3379910), (7087, 2846240), (7460, 2703928), (11936, 1689955), (14174, 1423120), (14920, 1351964), (17789, 1133920), (28348, 711560), (29840, 675982), (35435, 569248), (35578, 566960), (56696, 355780), (59680, 337991), (70870, 284624), (71156, 283480), (88945, 226784), (113392, 177890), (141740, 142312)]