7944680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 19008000

約数和(自身を除く): 11063320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 149, 155, 172, 215, 248, 298, 310, 344, 430, 596, 620, 745, 860, 1192, 1240, 1333, 1490, 1720, 2666, 2980, 4619, 5332, 5960, 6407, 6665, 9238, 10664, 12814, 13330, 18476, 23095, 25628, 26660, 32035, 36952, 46190, 51256, 53320, 64070, 92380, 128140, 184760, 198617, 256280, 397234, 794468, 993085, 1588936, 1986170, 3972340, 7944680]

約数ペア:

[(1, 7944680), (2, 3972340), (4, 1986170), (5, 1588936), (8, 993085), (10, 794468), (20, 397234), (31, 256280), (40, 198617), (43, 184760), (62, 128140), (86, 92380), (124, 64070), (149, 53320), (155, 51256), (172, 46190), (215, 36952), (248, 32035), (298, 26660), (310, 25628), (344, 23095), (430, 18476), (596, 13330), (620, 12814), (745, 10664), (860, 9238), (1192, 6665), (1240, 6407), (1333, 5960), (1490, 5332), (1720, 4619), (2666, 2980)]