1720185040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{99089}}^1$

素因数の和:99140

約数の個数: 80

約数和(自身を含む): 4718269440

約数和(自身を除く): 2998084400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 99089, 198178, 396356, 495445, 693623, 792712, 990890, 1387246, 1585424, 1981780, 2774492, 3071759, 3468115, 3963560, 5548984, 6143518, 6936230, 7927120, 11097968, 12287036, 13872460, 15358795, 21502313, 24574072, 27744920, 30717590, 43004626, 49148144, 55489840, 61435180, 86009252, 107511565, 122870360, 172018504, 215023130, 245740720, 344037008, 430046260, 860092520, 1720185040]

約数ペア:

[(1, 1720185040), (2, 860092520), (4, 430046260), (5, 344037008), (7, 245740720), (8, 215023130), (10, 172018504), (14, 122870360), (16, 107511565), (20, 86009252), (28, 61435180), (31, 55489840), (35, 49148144), (40, 43004626), (56, 30717590), (62, 27744920), (70, 24574072), (80, 21502313), (112, 15358795), (124, 13872460), (140, 12287036), (155, 11097968), (217, 7927120), (248, 6936230), (280, 6143518), (310, 5548984), (434, 3963560), (496, 3468115), (560, 3071759), (620, 2774492), (868, 1981780), (1085, 1585424), (1240, 1387246), (1736, 990890), (2170, 792712), (2480, 693623), (3472, 495445), (4340, 396356), (8680, 198178), (17360, 99089)]