81460560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10949}}^1$

素因数の和:10996

約数の個数: 80

約数和(自身を含む): 260697600

約数和(自身を除く): 179237040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 10949, 21898, 32847, 43796, 54745, 65694, 87592, 109490, 131388, 164235, 175184, 218980, 262776, 328470, 339419, 437960, 525552, 656940, 678838, 875920, 1018257, 1313880, 1357676, 1697095, 2036514, 2627760, 2715352, 3394190, 4073028, 5091285, 5430704, 6788380, 8146056, 10182570, 13576760, 16292112, 20365140, 27153520, 40730280, 81460560]

約数ペア:

[(1, 81460560), (2, 40730280), (3, 27153520), (4, 20365140), (5, 16292112), (6, 13576760), (8, 10182570), (10, 8146056), (12, 6788380), (15, 5430704), (16, 5091285), (20, 4073028), (24, 3394190), (30, 2715352), (31, 2627760), (40, 2036514), (48, 1697095), (60, 1357676), (62, 1313880), (80, 1018257), (93, 875920), (120, 678838), (124, 656940), (155, 525552), (186, 437960), (240, 339419), (248, 328470), (310, 262776), (372, 218980), (465, 175184), (496, 164235), (620, 131388), (744, 109490), (930, 87592), (1240, 65694), (1488, 54745), (1860, 43796), (2480, 32847), (3720, 21898), (7440, 10949)]