84986720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 249026400

約数和(自身を除く): 164039680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 449, 455, 520, 560, 676, 728, 845, 898, 910, 1040, 1120, 1183, 1352, 1456, 1690, 1796, 1820, 2080, 2245, 2366, 2704, 2912, 3143, 3380, 3592, 3640, 4490, 4732, 5408, 5837, 5915, 6286, 6760, 7184, 7280, 8980, 9464, 11674, 11830, 12572, 13520, 14368, 14560, 15715, 17960, 18928, 23348, 23660, 25144, 27040, 29185, 31430, 35920, 37856, 40859, 46696, 47320, 50288, 58370, 62860, 71840, 75881, 81718, 93392, 94640, 100576, 116740, 125720, 151762, 163436, 186784, 189280, 204295, 233480, 251440, 303524, 326872, 379405, 408590, 466960, 502880, 531167, 607048, 653744, 758810, 817180, 933920, 1062334, 1214096, 1307488, 1517620, 1634360, 2124668, 2428192, 2655835, 3035240, 3268720, 4249336, 5311670, 6070480, 6537440, 8498672, 10623340, 12140960, 16997344, 21246680, 42493360, 84986720]

約数ペア:

[(1, 84986720), (2, 42493360), (4, 21246680), (5, 16997344), (7, 12140960), (8, 10623340), (10, 8498672), (13, 6537440), (14, 6070480), (16, 5311670), (20, 4249336), (26, 3268720), (28, 3035240), (32, 2655835), (35, 2428192), (40, 2124668), (52, 1634360), (56, 1517620), (65, 1307488), (70, 1214096), (80, 1062334), (91, 933920), (104, 817180), (112, 758810), (130, 653744), (140, 607048), (160, 531167), (169, 502880), (182, 466960), (208, 408590), (224, 379405), (260, 326872), (280, 303524), (338, 251440), (364, 233480), (416, 204295), (449, 189280), (455, 186784), (520, 163436), (560, 151762), (676, 125720), (728, 116740), (845, 100576), (898, 94640), (910, 93392), (1040, 81718), (1120, 75881), (1183, 71840), (1352, 62860), (1456, 58370), (1690, 50288), (1796, 47320), (1820, 46696), (2080, 40859), (2245, 37856), (2366, 35920), (2704, 31430), (2912, 29185), (3143, 27040), (3380, 25144), (3592, 23660), (3640, 23348), (4490, 18928), (4732, 17960), (5408, 15715), (5837, 14560), (5915, 14368), (6286, 13520), (6760, 12572), (7184, 11830), (7280, 11674), (8980, 9464)]