389651280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70589}}^1$

素因数の和:70628

約数の個数: 80

約数和(自身を含む): 1260455040

約数和(自身を除く): 870803760

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, 5520, 70589, 141178, 211767, 282356, 352945, 423534, 564712, 705890, 847068, 1058835, 1129424, 1411780, 1623547, 1694136, 2117670, 2823560, 3247094, 3388272, 4235340, 4870641, 5647120, 6494188, 8117735, 8470680, 9741282, 12988376, 16235470, 16941360, 19482564, 24353205, 25976752, 32470940, 38965128, 48706410, 64941880, 77930256, 97412820, 129883760, 194825640, 389651280]

約数ペア:

[(1, 389651280), (2, 194825640), (3, 129883760), (4, 97412820), (5, 77930256), (6, 64941880), (8, 48706410), (10, 38965128), (12, 32470940), (15, 25976752), (16, 24353205), (20, 19482564), (23, 16941360), (24, 16235470), (30, 12988376), (40, 9741282), (46, 8470680), (48, 8117735), (60, 6494188), (69, 5647120), (80, 4870641), (92, 4235340), (115, 3388272), (120, 3247094), (138, 2823560), (184, 2117670), (230, 1694136), (240, 1623547), (276, 1411780), (345, 1129424), (368, 1058835), (460, 847068), (552, 705890), (690, 564712), (920, 423534), (1104, 352945), (1380, 282356), (1840, 211767), (2760, 141178), (5520, 70589)]