28771080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18443}}^1$

素因数の和:18470

約数の個数: 64

約数和(自身を含む): 92957760

約数和(自身を除く): 64186680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18443, 36886, 55329, 73772, 92215, 110658, 147544, 184430, 221316, 239759, 276645, 368860, 442632, 479518, 553290, 719277, 737720, 959036, 1106580, 1198795, 1438554, 1918072, 2213160, 2397590, 2877108, 3596385, 4795180, 5754216, 7192770, 9590360, 14385540, 28771080]

約数ペア:

[(1, 28771080), (2, 14385540), (3, 9590360), (4, 7192770), (5, 5754216), (6, 4795180), (8, 3596385), (10, 2877108), (12, 2397590), (13, 2213160), (15, 1918072), (20, 1438554), (24, 1198795), (26, 1106580), (30, 959036), (39, 737720), (40, 719277), (52, 553290), (60, 479518), (65, 442632), (78, 368860), (104, 276645), (120, 239759), (130, 221316), (156, 184430), (195, 147544), (260, 110658), (312, 92215), (390, 73772), (520, 55329), (780, 36886), (1560, 18443)]