19770720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41189}}^1$

素因数の和:41207

約数の個数: 48

約数和(自身を含む): 62279280

約数和(自身を除く): 42508560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41189, 82378, 123567, 164756, 205945, 247134, 329512, 411890, 494268, 617835, 659024, 823780, 988536, 1235670, 1318048, 1647560, 1977072, 2471340, 3295120, 3954144, 4942680, 6590240, 9885360, 19770720]

約数ペア:

[(1, 19770720), (2, 9885360), (3, 6590240), (4, 4942680), (5, 3954144), (6, 3295120), (8, 2471340), (10, 1977072), (12, 1647560), (15, 1318048), (16, 1235670), (20, 988536), (24, 823780), (30, 659024), (32, 617835), (40, 494268), (48, 411890), (60, 329512), (80, 247134), (96, 205945), (120, 164756), (160, 123567), (240, 82378), (480, 41189)]