9155720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1758

約数の個数: 64

約数和(自身を含む): 24796800

約数和(自身を除く): 15641080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 1721, 2660, 3442, 5320, 6884, 8605, 12047, 13768, 17210, 24094, 32699, 34420, 48188, 60235, 65398, 68840, 96376, 120470, 130796, 163495, 228893, 240940, 261592, 326990, 457786, 481880, 653980, 915572, 1144465, 1307960, 1831144, 2288930, 4577860, 9155720]

約数ペア:

[(1, 9155720), (2, 4577860), (4, 2288930), (5, 1831144), (7, 1307960), (8, 1144465), (10, 915572), (14, 653980), (19, 481880), (20, 457786), (28, 326990), (35, 261592), (38, 240940), (40, 228893), (56, 163495), (70, 130796), (76, 120470), (95, 96376), (133, 68840), (140, 65398), (152, 60235), (190, 48188), (266, 34420), (280, 32699), (380, 24094), (532, 17210), (665, 13768), (760, 12047), (1064, 8605), (1330, 6884), (1721, 5320), (2660, 3442)]