31239880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6563}}^1$

素因数の和:6598

約数の個数: 64

約数和(自身を含む): 85069440

約数和(自身を除く): 53829560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 6563, 13126, 26252, 32815, 45941, 52504, 65630, 91882, 111571, 131260, 183764, 223142, 229705, 262520, 367528, 446284, 459410, 557855, 780997, 892568, 918820, 1115710, 1561994, 1837640, 2231420, 3123988, 3904985, 4462840, 6247976, 7809970, 15619940, 31239880]

約数ペア:

[(1, 31239880), (2, 15619940), (4, 7809970), (5, 6247976), (7, 4462840), (8, 3904985), (10, 3123988), (14, 2231420), (17, 1837640), (20, 1561994), (28, 1115710), (34, 918820), (35, 892568), (40, 780997), (56, 557855), (68, 459410), (70, 446284), (85, 367528), (119, 262520), (136, 229705), (140, 223142), (170, 183764), (238, 131260), (280, 111571), (340, 91882), (476, 65630), (595, 52504), (680, 45941), (952, 32815), (1190, 26252), (2380, 13126), (4760, 6563)]