641203680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:729

約数の個数: 192

約数和(自身を含む): 2189956608

約数和(自身を除く): 1548752928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 211, 240, 260, 312, 390, 416, 422, 480, 487, 520, 624, 633, 780, 844, 974, 1040, 1055, 1248, 1266, 1461, 1560, 1688, 1948, 2080, 2110, 2435, 2532, 2743, 2922, 3120, 3165, 3376, 3896, 4220, 4870, 5064, 5486, 5844, 6240, 6330, 6331, 6752, 7305, 7792, 8229, 8440, 9740, 10128, 10972, 11688, 12660, 12662, 13715, 14610, 15584, 16458, 16880, 18993, 19480, 20256, 21944, 23376, 25320, 25324, 27430, 29220, 31655, 32916, 33760, 37986, 38960, 41145, 43888, 46752, 50640, 50648, 54860, 58440, 63310, 65832, 75972, 77920, 82290, 87776, 94965, 101280, 101296, 102757, 109720, 116880, 126620, 131664, 151944, 164580, 189930, 202592, 205514, 219440, 233760, 253240, 263328, 303888, 308271, 329160, 379860, 411028, 438880, 506480, 513785, 607776, 616542, 658320, 759720, 822056, 1012960, 1027570, 1233084, 1316640, 1335841, 1519440, 1541355, 1644112, 2055140, 2466168, 2671682, 3038880, 3082710, 3288224, 4007523, 4110280, 4932336, 5343364, 6165420, 6679205, 8015046, 8220560, 9864672, 10686728, 12330840, 13358410, 16030092, 16441120, 20037615, 21373456, 24661680, 26716820, 32060184, 40075230, 42746912, 49323360, 53433640, 64120368, 80150460, 106867280, 128240736, 160300920, 213734560, 320601840, 641203680]

約数ペア:

[(1, 641203680), (2, 320601840), (3, 213734560), (4, 160300920), (5, 128240736), (6, 106867280), (8, 80150460), (10, 64120368), (12, 53433640), (13, 49323360), (15, 42746912), (16, 40075230), (20, 32060184), (24, 26716820), (26, 24661680), (30, 21373456), (32, 20037615), (39, 16441120), (40, 16030092), (48, 13358410), (52, 12330840), (60, 10686728), (65, 9864672), (78, 8220560), (80, 8015046), (96, 6679205), (104, 6165420), (120, 5343364), (130, 4932336), (156, 4110280), (160, 4007523), (195, 3288224), (208, 3082710), (211, 3038880), (240, 2671682), (260, 2466168), (312, 2055140), (390, 1644112), (416, 1541355), (422, 1519440), (480, 1335841), (487, 1316640), (520, 1233084), (624, 1027570), (633, 1012960), (780, 822056), (844, 759720), (974, 658320), (1040, 616542), (1055, 607776), (1248, 513785), (1266, 506480), (1461, 438880), (1560, 411028), (1688, 379860), (1948, 329160), (2080, 308271), (2110, 303888), (2435, 263328), (2532, 253240), (2743, 233760), (2922, 219440), (3120, 205514), (3165, 202592), (3376, 189930), (3896, 164580), (4220, 151944), (4870, 131664), (5064, 126620), (5486, 116880), (5844, 109720), (6240, 102757), (6330, 101296), (6331, 101280), (6752, 94965), (7305, 87776), (7792, 82290), (8229, 77920), (8440, 75972), (9740, 65832), (10128, 63310), (10972, 58440), (11688, 54860), (12660, 50648), (12662, 50640), (13715, 46752), (14610, 43888), (15584, 41145), (16458, 38960), (16880, 37986), (18993, 33760), (19480, 32916), (20256, 31655), (21944, 29220), (23376, 27430), (25320, 25324)]