2147280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 6963840

約数和(自身を除く): 4816560

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, 389, 460, 552, 690, 778, 920, 1104, 1167, 1380, 1556, 1840, 1945, 2334, 2760, 3112, 3890, 4668, 5520, 5835, 6224, 7780, 8947, 9336, 11670, 15560, 17894, 18672, 23340, 26841, 31120, 35788, 44735, 46680, 53682, 71576, 89470, 93360, 107364, 134205, 143152, 178940, 214728, 268410, 357880, 429456, 536820, 715760, 1073640, 2147280]

約数ペア:

[(1, 2147280), (2, 1073640), (3, 715760), (4, 536820), (5, 429456), (6, 357880), (8, 268410), (10, 214728), (12, 178940), (15, 143152), (16, 134205), (20, 107364), (23, 93360), (24, 89470), (30, 71576), (40, 53682), (46, 46680), (48, 44735), (60, 35788), (69, 31120), (80, 26841), (92, 23340), (115, 18672), (120, 17894), (138, 15560), (184, 11670), (230, 9336), (240, 8947), (276, 7780), (345, 6224), (368, 5835), (389, 5520), (460, 4668), (552, 3890), (690, 3112), (778, 2760), (920, 2334), (1104, 1945), (1167, 1840), (1380, 1556)]