257481145740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6736817}}^1$

素因数の和:6736856

約数の個数: 144

約数和(自身を含む): 903164768352

約数和(自身を除く): 645683622612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7644, 9555, 12740, 19110, 38220, 6736817, 13473634, 20210451, 26947268, 33684085, 40420902, 47157719, 67368170, 80841804, 87578621, 94315438, 101052255, 134736340, 141473157, 175157242, 188630876, 202104510, 235788595, 262735863, 282946314, 330104033, 350314484, 404209020, 437893105, 471577190, 525471726, 565892628, 613050347, 660208066, 707365785, 875786210, 943154380, 990312099, 1050943452, 1226100694, 1313679315, 1320416132, 1414731570, 1650520165, 1751572420, 1839151041, 1980624198, 2452201388, 2627358630, 2829463140, 3065251735, 3301040330, 3678302082, 3961248396, 4291352429, 4951560495, 5254717260, 6130503470, 6602080660, 7356604164, 8582704858, 9195755205, 9903120990, 12261006940, 12874057287, 17165409716, 18391510410, 19806241980, 21456762145, 25748114574, 36783020820, 42913524290, 51496229148, 64370286435, 85827048580, 128740572870, 257481145740]

約数ペア:

[(1, 257481145740), (2, 128740572870), (3, 85827048580), (4, 64370286435), (5, 51496229148), (6, 42913524290), (7, 36783020820), (10, 25748114574), (12, 21456762145), (13, 19806241980), (14, 18391510410), (15, 17165409716), (20, 12874057287), (21, 12261006940), (26, 9903120990), (28, 9195755205), (30, 8582704858), (35, 7356604164), (39, 6602080660), (42, 6130503470), (49, 5254717260), (52, 4951560495), (60, 4291352429), (65, 3961248396), (70, 3678302082), (78, 3301040330), (84, 3065251735), (91, 2829463140), (98, 2627358630), (105, 2452201388), (130, 1980624198), (140, 1839151041), (147, 1751572420), (156, 1650520165), (182, 1414731570), (195, 1320416132), (196, 1313679315), (210, 1226100694), (245, 1050943452), (260, 990312099), (273, 943154380), (294, 875786210), (364, 707365785), (390, 660208066), (420, 613050347), (455, 565892628), (490, 525471726), (546, 471577190), (588, 437893105), (637, 404209020), (735, 350314484), (780, 330104033), (910, 282946314), (980, 262735863), (1092, 235788595), (1274, 202104510), (1365, 188630876), (1470, 175157242), (1820, 141473157), (1911, 134736340), (2548, 101052255), (2730, 94315438), (2940, 87578621), (3185, 80841804), (3822, 67368170), (5460, 47157719), (6370, 40420902), (7644, 33684085), (9555, 26947268), (12740, 20210451), (19110, 13473634), (38220, 6736817)]