388657680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:609

約数の個数: 160

約数和(自身を含む): 1267418880

約数和(自身を除く): 878761200

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, 181, 184, 230, 240, 276, 345, 362, 368, 389, 460, 543, 552, 690, 724, 778, 905, 920, 1086, 1104, 1167, 1380, 1448, 1556, 1810, 1840, 1945, 2172, 2334, 2715, 2760, 2896, 3112, 3620, 3890, 4163, 4344, 4668, 5430, 5520, 5835, 6224, 7240, 7780, 8326, 8688, 8947, 9336, 10860, 11670, 12489, 14480, 15560, 16652, 17894, 18672, 20815, 21720, 23340, 24978, 26841, 31120, 33304, 35788, 41630, 43440, 44735, 46680, 49956, 53682, 62445, 66608, 70409, 71576, 83260, 89470, 93360, 99912, 107364, 124890, 134205, 140818, 143152, 166520, 178940, 199824, 211227, 214728, 249780, 268410, 281636, 333040, 352045, 357880, 422454, 429456, 499560, 536820, 563272, 704090, 715760, 844908, 999120, 1056135, 1073640, 1126544, 1408180, 1619407, 1689816, 2112270, 2147280, 2816360, 3238814, 3379632, 4224540, 4858221, 5632720, 6477628, 8097035, 8449080, 9716442, 12955256, 16194070, 16898160, 19432884, 24291105, 25910512, 32388140, 38865768, 48582210, 64776280, 77731536, 97164420, 129552560, 194328840, 388657680]

約数ペア:

[(1, 388657680), (2, 194328840), (3, 129552560), (4, 97164420), (5, 77731536), (6, 64776280), (8, 48582210), (10, 38865768), (12, 32388140), (15, 25910512), (16, 24291105), (20, 19432884), (23, 16898160), (24, 16194070), (30, 12955256), (40, 9716442), (46, 8449080), (48, 8097035), (60, 6477628), (69, 5632720), (80, 4858221), (92, 4224540), (115, 3379632), (120, 3238814), (138, 2816360), (181, 2147280), (184, 2112270), (230, 1689816), (240, 1619407), (276, 1408180), (345, 1126544), (362, 1073640), (368, 1056135), (389, 999120), (460, 844908), (543, 715760), (552, 704090), (690, 563272), (724, 536820), (778, 499560), (905, 429456), (920, 422454), (1086, 357880), (1104, 352045), (1167, 333040), (1380, 281636), (1448, 268410), (1556, 249780), (1810, 214728), (1840, 211227), (1945, 199824), (2172, 178940), (2334, 166520), (2715, 143152), (2760, 140818), (2896, 134205), (3112, 124890), (3620, 107364), (3890, 99912), (4163, 93360), (4344, 89470), (4668, 83260), (5430, 71576), (5520, 70409), (5835, 66608), (6224, 62445), (7240, 53682), (7780, 49956), (8326, 46680), (8688, 44735), (8947, 43440), (9336, 41630), (10860, 35788), (11670, 33304), (12489, 31120), (14480, 26841), (15560, 24978), (16652, 23340), (17894, 21720), (18672, 20815)]