80787960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:938

約数の個数: 192

約数和(自身を含む): 299220480

約数和(自身を除く): 218432520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 230, 253, 264, 276, 330, 345, 360, 396, 414, 440, 460, 495, 506, 552, 660, 690, 759, 792, 828, 887, 920, 990, 1012, 1035, 1265, 1320, 1380, 1518, 1656, 1774, 1980, 2024, 2070, 2277, 2530, 2661, 2760, 3036, 3548, 3795, 3960, 4140, 4435, 4554, 5060, 5322, 6072, 7096, 7590, 7983, 8280, 8870, 9108, 9757, 10120, 10644, 11385, 13305, 15180, 15966, 17740, 18216, 19514, 20401, 21288, 22770, 26610, 29271, 30360, 31932, 35480, 39028, 39915, 40802, 45540, 48785, 53220, 58542, 61203, 63864, 78056, 79830, 81604, 87813, 91080, 97570, 102005, 106440, 117084, 122406, 146355, 159660, 163208, 175626, 183609, 195140, 204010, 224411, 234168, 244812, 292710, 306015, 319320, 351252, 367218, 390280, 408020, 439065, 448822, 489624, 585420, 612030, 673233, 702504, 734436, 816040, 878130, 897644, 918045, 1122055, 1170840, 1224060, 1346466, 1468872, 1756260, 1795288, 1836090, 2019699, 2244110, 2448120, 2692932, 3366165, 3512520, 3672180, 4039398, 4488220, 5385864, 6732330, 7344360, 8078796, 8976440, 10098495, 13464660, 16157592, 20196990, 26929320, 40393980, 80787960]

約数ペア:

[(1, 80787960), (2, 40393980), (3, 26929320), (4, 20196990), (5, 16157592), (6, 13464660), (8, 10098495), (9, 8976440), (10, 8078796), (11, 7344360), (12, 6732330), (15, 5385864), (18, 4488220), (20, 4039398), (22, 3672180), (23, 3512520), (24, 3366165), (30, 2692932), (33, 2448120), (36, 2244110), (40, 2019699), (44, 1836090), (45, 1795288), (46, 1756260), (55, 1468872), (60, 1346466), (66, 1224060), (69, 1170840), (72, 1122055), (88, 918045), (90, 897644), (92, 878130), (99, 816040), (110, 734436), (115, 702504), (120, 673233), (132, 612030), (138, 585420), (165, 489624), (180, 448822), (184, 439065), (198, 408020), (207, 390280), (220, 367218), (230, 351252), (253, 319320), (264, 306015), (276, 292710), (330, 244812), (345, 234168), (360, 224411), (396, 204010), (414, 195140), (440, 183609), (460, 175626), (495, 163208), (506, 159660), (552, 146355), (660, 122406), (690, 117084), (759, 106440), (792, 102005), (828, 97570), (887, 91080), (920, 87813), (990, 81604), (1012, 79830), (1035, 78056), (1265, 63864), (1320, 61203), (1380, 58542), (1518, 53220), (1656, 48785), (1774, 45540), (1980, 40802), (2024, 39915), (2070, 39028), (2277, 35480), (2530, 31932), (2661, 30360), (2760, 29271), (3036, 26610), (3548, 22770), (3795, 21288), (3960, 20401), (4140, 19514), (4435, 18216), (4554, 17740), (5060, 15966), (5322, 15180), (6072, 13305), (7096, 11385), (7590, 10644), (7983, 10120), (8280, 9757), (8870, 9108)]