819482520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{220291}}^1$

素因数の和:220336

約数の個数: 64

約数和(自身を含む): 2537763840

約数和(自身を除く): 1718281320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 220291, 440582, 660873, 881164, 1101455, 1321746, 1762328, 2202910, 2643492, 3304365, 4405820, 5286984, 6608730, 6829021, 8811640, 13217460, 13658042, 20487063, 26434920, 27316084, 34145105, 40974126, 54632168, 68290210, 81948252, 102435315, 136580420, 163896504, 204870630, 273160840, 409741260, 819482520]

約数ペア:

[(1, 819482520), (2, 409741260), (3, 273160840), (4, 204870630), (5, 163896504), (6, 136580420), (8, 102435315), (10, 81948252), (12, 68290210), (15, 54632168), (20, 40974126), (24, 34145105), (30, 27316084), (31, 26434920), (40, 20487063), (60, 13658042), (62, 13217460), (93, 8811640), (120, 6829021), (124, 6608730), (155, 5286984), (186, 4405820), (248, 3304365), (310, 2643492), (372, 2202910), (465, 1762328), (620, 1321746), (744, 1101455), (930, 881164), (1240, 660873), (1860, 440582), (3720, 220291)]