231751040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1$

素因数の和:11731

約数の個数: 64

約数和(自身を含む): 571950720

約数和(自身を除く): 340199680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 11681, 19840, 23362, 46724, 58405, 93448, 116810, 186896, 233620, 362111, 373792, 467240, 724222, 747584, 934480, 1448444, 1495168, 1810555, 1868960, 2896888, 3621110, 3737920, 5793776, 7242220, 7475840, 11587552, 14484440, 23175104, 28968880, 46350208, 57937760, 115875520, 231751040]

約数ペア:

[(1, 231751040), (2, 115875520), (4, 57937760), (5, 46350208), (8, 28968880), (10, 23175104), (16, 14484440), (20, 11587552), (31, 7475840), (32, 7242220), (40, 5793776), (62, 3737920), (64, 3621110), (80, 2896888), (124, 1868960), (128, 1810555), (155, 1495168), (160, 1448444), (248, 934480), (310, 747584), (320, 724222), (496, 467240), (620, 373792), (640, 362111), (992, 233620), (1240, 186896), (1984, 116810), (2480, 93448), (3968, 58405), (4960, 46724), (9920, 23362), (11681, 19840)]