253920240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:716

約数の個数: 240

約数和(自身を含む): 987936768

約数和(自身を除く): 734016528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 83, 84, 90, 105, 112, 120, 126, 140, 144, 166, 168, 180, 210, 240, 249, 252, 280, 315, 332, 336, 360, 415, 420, 498, 504, 560, 581, 607, 630, 664, 720, 747, 830, 840, 996, 1008, 1162, 1214, 1245, 1260, 1328, 1494, 1660, 1680, 1743, 1821, 1992, 2324, 2428, 2490, 2520, 2905, 2988, 3035, 3320, 3486, 3642, 3735, 3984, 4249, 4648, 4856, 4980, 5040, 5229, 5463, 5810, 5976, 6070, 6640, 6972, 7284, 7470, 8498, 8715, 9105, 9296, 9712, 9960, 10458, 10926, 11620, 11952, 12140, 12747, 13944, 14568, 14940, 16996, 17430, 18210, 19920, 20916, 21245, 21852, 23240, 24280, 25494, 26145, 27315, 27888, 29136, 29880, 33992, 34860, 36420, 38241, 41832, 42490, 43704, 46480, 48560, 50381, 50988, 52290, 54630, 59760, 63735, 67984, 69720, 72840, 76482, 83664, 84980, 87408, 100762, 101976, 104580, 109260, 127470, 139440, 145680, 151143, 152964, 169960, 191205, 201524, 203952, 209160, 218520, 251905, 254940, 302286, 305928, 339920, 352667, 382410, 403048, 418320, 437040, 453429, 503810, 509880, 604572, 611856, 705334, 755715, 764820, 806096, 906858, 1007620, 1019760, 1058001, 1209144, 1410668, 1511430, 1529640, 1763335, 1813716, 2015240, 2116002, 2267145, 2418288, 2821336, 3022860, 3059280, 3174003, 3526670, 3627432, 4030480, 4232004, 4534290, 5290005, 5642672, 6045720, 6348006, 7053340, 7254864, 8464008, 9068580, 10580010, 12091440, 12696012, 14106680, 15870015, 16928016, 18137160, 21160020, 25392024, 28213360, 31740030, 36274320, 42320040, 50784048, 63480060, 84640080, 126960120, 253920240]

約数ペア:

[(1, 253920240), (2, 126960120), (3, 84640080), (4, 63480060), (5, 50784048), (6, 42320040), (7, 36274320), (8, 31740030), (9, 28213360), (10, 25392024), (12, 21160020), (14, 18137160), (15, 16928016), (16, 15870015), (18, 14106680), (20, 12696012), (21, 12091440), (24, 10580010), (28, 9068580), (30, 8464008), (35, 7254864), (36, 7053340), (40, 6348006), (42, 6045720), (45, 5642672), (48, 5290005), (56, 4534290), (60, 4232004), (63, 4030480), (70, 3627432), (72, 3526670), (80, 3174003), (83, 3059280), (84, 3022860), (90, 2821336), (105, 2418288), (112, 2267145), (120, 2116002), (126, 2015240), (140, 1813716), (144, 1763335), (166, 1529640), (168, 1511430), (180, 1410668), (210, 1209144), (240, 1058001), (249, 1019760), (252, 1007620), (280, 906858), (315, 806096), (332, 764820), (336, 755715), (360, 705334), (415, 611856), (420, 604572), (498, 509880), (504, 503810), (560, 453429), (581, 437040), (607, 418320), (630, 403048), (664, 382410), (720, 352667), (747, 339920), (830, 305928), (840, 302286), (996, 254940), (1008, 251905), (1162, 218520), (1214, 209160), (1245, 203952), (1260, 201524), (1328, 191205), (1494, 169960), (1660, 152964), (1680, 151143), (1743, 145680), (1821, 139440), (1992, 127470), (2324, 109260), (2428, 104580), (2490, 101976), (2520, 100762), (2905, 87408), (2988, 84980), (3035, 83664), (3320, 76482), (3486, 72840), (3642, 69720), (3735, 67984), (3984, 63735), (4249, 59760), (4648, 54630), (4856, 52290), (4980, 50988), (5040, 50381), (5229, 48560), (5463, 46480), (5810, 43704), (5976, 42490), (6070, 41832), (6640, 38241), (6972, 36420), (7284, 34860), (7470, 33992), (8498, 29880), (8715, 29136), (9105, 27888), (9296, 27315), (9712, 26145), (9960, 25494), (10458, 24280), (10926, 23240), (11620, 21852), (11952, 21245), (12140, 20916), (12747, 19920), (13944, 18210), (14568, 17430), (14940, 16996)]