28778435280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{31547}}^1$

素因数の和:31754

約数の個数: 240

約数和(自身を含む): 111068141184

約数和(自身を除く): 82289705904

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, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 181, 210, 240, 252, 280, 315, 336, 360, 362, 420, 504, 543, 560, 630, 720, 724, 840, 905, 1008, 1086, 1260, 1267, 1448, 1629, 1680, 1810, 2172, 2520, 2534, 2715, 2896, 3258, 3620, 3801, 4344, 5040, 5068, 5430, 6335, 6516, 7240, 7602, 8145, 8688, 10136, 10860, 11403, 12670, 13032, 14480, 15204, 16290, 19005, 20272, 21720, 22806, 25340, 26064, 30408, 31547, 32580, 38010, 43440, 45612, 50680, 57015, 60816, 63094, 65160, 76020, 91224, 94641, 101360, 114030, 126188, 130320, 152040, 157735, 182448, 189282, 220829, 228060, 252376, 283923, 304080, 315470, 378564, 441658, 456120, 473205, 504752, 567846, 630940, 662487, 757128, 883316, 912240, 946410, 1104145, 1135692, 1261880, 1324974, 1419615, 1514256, 1766632, 1892820, 1987461, 2208290, 2271384, 2523760, 2649948, 2839230, 3312435, 3533264, 3785640, 3974922, 4416580, 4542768, 5299896, 5678460, 5710007, 6624870, 7571280, 7949844, 8833160, 9937305, 10599792, 11356920, 11420014, 13249740, 15899688, 17130021, 17666320, 19874610, 22713840, 22840028, 26499480, 28550035, 31799376, 34260042, 39749220, 39970049, 45680056, 51390063, 52998960, 57100070, 68520084, 79498440, 79940098, 85650105, 91360112, 102780126, 114200140, 119910147, 137040168, 158996880, 159880196, 171300210, 199850245, 205560252, 228400280, 239820294, 256950315, 274080336, 319760392, 342600420, 359730441, 399700490, 411120504, 456800560, 479640588, 513900630, 599550735, 639520784, 685200840, 719460882, 799400980, 822241008, 959281176, 1027801260, 1199101470, 1370401680, 1438921764, 1598801960, 1798652205, 1918562352, 2055602520, 2398202940, 2877843528, 3197603920, 3597304410, 4111205040, 4796405880, 5755687056, 7194608820, 9592811760, 14389217640, 28778435280]

約数ペア:

[(1, 28778435280), (2, 14389217640), (3, 9592811760), (4, 7194608820), (5, 5755687056), (6, 4796405880), (7, 4111205040), (8, 3597304410), (9, 3197603920), (10, 2877843528), (12, 2398202940), (14, 2055602520), (15, 1918562352), (16, 1798652205), (18, 1598801960), (20, 1438921764), (21, 1370401680), (24, 1199101470), (28, 1027801260), (30, 959281176), (35, 822241008), (36, 799400980), (40, 719460882), (42, 685200840), (45, 639520784), (48, 599550735), (56, 513900630), (60, 479640588), (63, 456800560), (70, 411120504), (72, 399700490), (80, 359730441), (84, 342600420), (90, 319760392), (105, 274080336), (112, 256950315), (120, 239820294), (126, 228400280), (140, 205560252), (144, 199850245), (168, 171300210), (180, 159880196), (181, 158996880), (210, 137040168), (240, 119910147), (252, 114200140), (280, 102780126), (315, 91360112), (336, 85650105), (360, 79940098), (362, 79498440), (420, 68520084), (504, 57100070), (543, 52998960), (560, 51390063), (630, 45680056), (720, 39970049), (724, 39749220), (840, 34260042), (905, 31799376), (1008, 28550035), (1086, 26499480), (1260, 22840028), (1267, 22713840), (1448, 19874610), (1629, 17666320), (1680, 17130021), (1810, 15899688), (2172, 13249740), (2520, 11420014), (2534, 11356920), (2715, 10599792), (2896, 9937305), (3258, 8833160), (3620, 7949844), (3801, 7571280), (4344, 6624870), (5040, 5710007), (5068, 5678460), (5430, 5299896), (6335, 4542768), (6516, 4416580), (7240, 3974922), (7602, 3785640), (8145, 3533264), (8688, 3312435), (10136, 2839230), (10860, 2649948), (11403, 2523760), (12670, 2271384), (13032, 2208290), (14480, 1987461), (15204, 1892820), (16290, 1766632), (19005, 1514256), (20272, 1419615), (21720, 1324974), (22806, 1261880), (25340, 1135692), (26064, 1104145), (30408, 946410), (31547, 912240), (32580, 883316), (38010, 757128), (43440, 662487), (45612, 630940), (50680, 567846), (57015, 504752), (60816, 473205), (63094, 456120), (65160, 441658), (76020, 378564), (91224, 315470), (94641, 304080), (101360, 283923), (114030, 252376), (126188, 228060), (130320, 220829), (152040, 189282), (157735, 182448)]