19645680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3598

約数の個数: 80

約数和(自身を含む): 63567360

約数和(自身を除く): 43921680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3559, 5520, 7118, 10677, 14236, 17795, 21354, 28472, 35590, 42708, 53385, 56944, 71180, 81857, 85416, 106770, 142360, 163714, 170832, 213540, 245571, 284720, 327428, 409285, 427080, 491142, 654856, 818570, 854160, 982284, 1227855, 1309712, 1637140, 1964568, 2455710, 3274280, 3929136, 4911420, 6548560, 9822840, 19645680]

約数ペア:

[(1, 19645680), (2, 9822840), (3, 6548560), (4, 4911420), (5, 3929136), (6, 3274280), (8, 2455710), (10, 1964568), (12, 1637140), (15, 1309712), (16, 1227855), (20, 982284), (23, 854160), (24, 818570), (30, 654856), (40, 491142), (46, 427080), (48, 409285), (60, 327428), (69, 284720), (80, 245571), (92, 213540), (115, 170832), (120, 163714), (138, 142360), (184, 106770), (230, 85416), (240, 81857), (276, 71180), (345, 56944), (368, 53385), (460, 42708), (552, 35590), (690, 28472), (920, 21354), (1104, 17795), (1380, 14236), (1840, 10677), (2760, 7118), (3559, 5520)]