66816240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1614

約数の個数: 80

約数和(自身を含む): 208320000

約数和(自身を除く): 141503760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 796, 995, 1194, 1399, 1592, 1990, 2388, 2798, 2985, 3184, 3980, 4197, 4776, 5596, 5970, 6995, 7960, 8394, 9552, 11192, 11940, 13990, 15920, 16788, 20985, 22384, 23880, 27980, 33576, 41970, 47760, 55960, 67152, 83940, 111920, 167880, 278401, 335760, 556802, 835203, 1113604, 1392005, 1670406, 2227208, 2784010, 3340812, 4176015, 4454416, 5568020, 6681624, 8352030, 11136040, 13363248, 16704060, 22272080, 33408120, 66816240]

約数ペア:

[(1, 66816240), (2, 33408120), (3, 22272080), (4, 16704060), (5, 13363248), (6, 11136040), (8, 8352030), (10, 6681624), (12, 5568020), (15, 4454416), (16, 4176015), (20, 3340812), (24, 2784010), (30, 2227208), (40, 1670406), (48, 1392005), (60, 1113604), (80, 835203), (120, 556802), (199, 335760), (240, 278401), (398, 167880), (597, 111920), (796, 83940), (995, 67152), (1194, 55960), (1399, 47760), (1592, 41970), (1990, 33576), (2388, 27980), (2798, 23880), (2985, 22384), (3184, 20985), (3980, 16788), (4197, 15920), (4776, 13990), (5596, 11940), (5970, 11192), (6995, 9552), (7960, 8394)]