28269360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 111421440

約数和(自身を除く): 83152080

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, 71, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 158, 168, 180, 210, 213, 237, 240, 252, 280, 284, 315, 316, 336, 355, 360, 395, 420, 426, 474, 497, 504, 553, 560, 568, 630, 632, 639, 710, 711, 720, 790, 840, 852, 948, 994, 1008, 1065, 1106, 1136, 1185, 1260, 1264, 1278, 1420, 1422, 1491, 1580, 1659, 1680, 1704, 1896, 1988, 2130, 2212, 2370, 2485, 2520, 2556, 2765, 2840, 2844, 2982, 3160, 3195, 3318, 3408, 3555, 3792, 3976, 4260, 4424, 4473, 4740, 4970, 4977, 5040, 5112, 5530, 5609, 5680, 5688, 5964, 6320, 6390, 6636, 7110, 7455, 7952, 8295, 8520, 8848, 8946, 9480, 9940, 9954, 10224, 11060, 11218, 11376, 11928, 12780, 13272, 14220, 14910, 16590, 16827, 17040, 17892, 18960, 19880, 19908, 22120, 22365, 22436, 23856, 24885, 25560, 26544, 28045, 28440, 29820, 33180, 33654, 35784, 39263, 39760, 39816, 44240, 44730, 44872, 49770, 50481, 51120, 56090, 56880, 59640, 66360, 67308, 71568, 78526, 79632, 84135, 89460, 89744, 99540, 100962, 112180, 117789, 119280, 132720, 134616, 157052, 168270, 178920, 196315, 199080, 201924, 224360, 235578, 252405, 269232, 314104, 336540, 353367, 357840, 392630, 398160, 403848, 448720, 471156, 504810, 588945, 628208, 673080, 706734, 785260, 807696, 942312, 1009620, 1177890, 1346160, 1413468, 1570520, 1766835, 1884624, 2019240, 2355780, 2826936, 3141040, 3533670, 4038480, 4711560, 5653872, 7067340, 9423120, 14134680, 28269360]

約数ペア:

[(1, 28269360), (2, 14134680), (3, 9423120), (4, 7067340), (5, 5653872), (6, 4711560), (7, 4038480), (8, 3533670), (9, 3141040), (10, 2826936), (12, 2355780), (14, 2019240), (15, 1884624), (16, 1766835), (18, 1570520), (20, 1413468), (21, 1346160), (24, 1177890), (28, 1009620), (30, 942312), (35, 807696), (36, 785260), (40, 706734), (42, 673080), (45, 628208), (48, 588945), (56, 504810), (60, 471156), (63, 448720), (70, 403848), (71, 398160), (72, 392630), (79, 357840), (80, 353367), (84, 336540), (90, 314104), (105, 269232), (112, 252405), (120, 235578), (126, 224360), (140, 201924), (142, 199080), (144, 196315), (158, 178920), (168, 168270), (180, 157052), (210, 134616), (213, 132720), (237, 119280), (240, 117789), (252, 112180), (280, 100962), (284, 99540), (315, 89744), (316, 89460), (336, 84135), (355, 79632), (360, 78526), (395, 71568), (420, 67308), (426, 66360), (474, 59640), (497, 56880), (504, 56090), (553, 51120), (560, 50481), (568, 49770), (630, 44872), (632, 44730), (639, 44240), (710, 39816), (711, 39760), (720, 39263), (790, 35784), (840, 33654), (852, 33180), (948, 29820), (994, 28440), (1008, 28045), (1065, 26544), (1106, 25560), (1136, 24885), (1185, 23856), (1260, 22436), (1264, 22365), (1278, 22120), (1420, 19908), (1422, 19880), (1491, 18960), (1580, 17892), (1659, 17040), (1680, 16827), (1704, 16590), (1896, 14910), (1988, 14220), (2130, 13272), (2212, 12780), (2370, 11928), (2485, 11376), (2520, 11218), (2556, 11060), (2765, 10224), (2840, 9954), (2844, 9940), (2982, 9480), (3160, 8946), (3195, 8848), (3318, 8520), (3408, 8295), (3555, 7952), (3792, 7455), (3976, 7110), (4260, 6636), (4424, 6390), (4473, 6320), (4740, 5964), (4970, 5688), (4977, 5680), (5040, 5609), (5112, 5530)]