645834780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115741}}^1$

素因数の和:115787

約数の個数: 72

約数和(自身を含む): 2022244224

約数和(自身を除く): 1376409444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 115741, 231482, 347223, 462964, 578705, 694446, 1041669, 1157410, 1388892, 1736115, 2083338, 2314820, 3472230, 3587971, 4166676, 5208345, 6944460, 7175942, 10416690, 10763913, 14351884, 17939855, 20833380, 21527826, 32291739, 35879710, 43055652, 53819565, 64583478, 71759420, 107639130, 129166956, 161458695, 215278260, 322917390, 645834780]

約数ペア:

[(1, 645834780), (2, 322917390), (3, 215278260), (4, 161458695), (5, 129166956), (6, 107639130), (9, 71759420), (10, 64583478), (12, 53819565), (15, 43055652), (18, 35879710), (20, 32291739), (30, 21527826), (31, 20833380), (36, 17939855), (45, 14351884), (60, 10763913), (62, 10416690), (90, 7175942), (93, 6944460), (124, 5208345), (155, 4166676), (180, 3587971), (186, 3472230), (279, 2314820), (310, 2083338), (372, 1736115), (465, 1388892), (558, 1157410), (620, 1041669), (930, 694446), (1116, 578705), (1395, 462964), (1860, 347223), (2790, 231482), (5580, 115741)]