31728540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8669}}^1$

素因数の和:8742

約数の個数: 48

約数和(自身を含む): 90306720

約数和(自身を除く): 58578180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 8669, 17338, 26007, 34676, 43345, 52014, 86690, 104028, 130035, 173380, 260070, 520140, 528809, 1057618, 1586427, 2115236, 2644045, 3172854, 5288090, 6345708, 7932135, 10576180, 15864270, 31728540]

約数ペア:

[(1, 31728540), (2, 15864270), (3, 10576180), (4, 7932135), (5, 6345708), (6, 5288090), (10, 3172854), (12, 2644045), (15, 2115236), (20, 1586427), (30, 1057618), (60, 528809), (61, 520140), (122, 260070), (183, 173380), (244, 130035), (305, 104028), (366, 86690), (610, 52014), (732, 43345), (915, 34676), (1220, 26007), (1830, 17338), (3660, 8669)]