31012760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{773}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 75232800

約数和(自身を除く): 44220040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 773, 1003, 1180, 1546, 2006, 2360, 3092, 3865, 4012, 5015, 6184, 7730, 8024, 10030, 13141, 15460, 20060, 26282, 30920, 40120, 45607, 52564, 65705, 91214, 105128, 131410, 182428, 228035, 262820, 364856, 456070, 525640, 775319, 912140, 1550638, 1824280, 3101276, 3876595, 6202552, 7753190, 15506380, 31012760]

約数ペア:

[(1, 31012760), (2, 15506380), (4, 7753190), (5, 6202552), (8, 3876595), (10, 3101276), (17, 1824280), (20, 1550638), (34, 912140), (40, 775319), (59, 525640), (68, 456070), (85, 364856), (118, 262820), (136, 228035), (170, 182428), (236, 131410), (295, 105128), (340, 91214), (472, 65705), (590, 52564), (680, 45607), (773, 40120), (1003, 30920), (1180, 26282), (1546, 20060), (2006, 15460), (2360, 13141), (3092, 10030), (3865, 8024), (4012, 7730), (5015, 6184)]