258581640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4931}}^1$

素因数の和:4987

約数の個数: 128

約数和(自身を含む): 852249600

約数和(自身を除く): 593667960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4370, 4931, 5244, 6555, 8740, 9862, 10488, 13110, 14793, 17480, 19724, 24655, 26220, 29586, 39448, 49310, 52440, 59172, 73965, 93689, 98620, 113413, 118344, 147930, 187378, 197240, 226826, 281067, 295860, 340239, 374756, 453652, 468445, 562134, 567065, 591720, 680478, 749512, 907304, 936890, 1124268, 1134130, 1360956, 1405335, 1701195, 1873780, 2154847, 2248536, 2268260, 2721912, 2810670, 3402390, 3747560, 4309694, 4536520, 5621340, 6464541, 6804780, 8619388, 10774235, 11242680, 12929082, 13609560, 17238776, 21548470, 25858164, 32322705, 43096940, 51716328, 64645410, 86193880, 129290820, 258581640]

約数ペア:

[(1, 258581640), (2, 129290820), (3, 86193880), (4, 64645410), (5, 51716328), (6, 43096940), (8, 32322705), (10, 25858164), (12, 21548470), (15, 17238776), (19, 13609560), (20, 12929082), (23, 11242680), (24, 10774235), (30, 8619388), (38, 6804780), (40, 6464541), (46, 5621340), (57, 4536520), (60, 4309694), (69, 3747560), (76, 3402390), (92, 2810670), (95, 2721912), (114, 2268260), (115, 2248536), (120, 2154847), (138, 1873780), (152, 1701195), (184, 1405335), (190, 1360956), (228, 1134130), (230, 1124268), (276, 936890), (285, 907304), (345, 749512), (380, 680478), (437, 591720), (456, 567065), (460, 562134), (552, 468445), (570, 453652), (690, 374756), (760, 340239), (874, 295860), (920, 281067), (1140, 226826), (1311, 197240), (1380, 187378), (1748, 147930), (2185, 118344), (2280, 113413), (2622, 98620), (2760, 93689), (3496, 73965), (4370, 59172), (4931, 52440), (5244, 49310), (6555, 39448), (8740, 29586), (9862, 26220), (10488, 24655), (13110, 19724), (14793, 17480)]