248706640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 471247280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 127, 130, 140, 182, 208, 254, 260, 269, 280, 364, 455, 508, 520, 538, 560, 635, 728, 889, 910, 1016, 1040, 1076, 1270, 1345, 1456, 1651, 1778, 1820, 1883, 2032, 2152, 2540, 2690, 3302, 3497, 3556, 3640, 3766, 4304, 4445, 5080, 5380, 6604, 6994, 7112, 7280, 7532, 8255, 8890, 9415, 10160, 10760, 11557, 13208, 13988, 14224, 15064, 16510, 17485, 17780, 18830, 21520, 23114, 24479, 26416, 27976, 30128, 33020, 34163, 34970, 35560, 37660, 46228, 48958, 55952, 57785, 66040, 68326, 69940, 71120, 75320, 92456, 97916, 115570, 122395, 132080, 136652, 139880, 150640, 170815, 184912, 195832, 231140, 239141, 244790, 273304, 279760, 341630, 391664, 444119, 462280, 478282, 489580, 546608, 683260, 888238, 924560, 956564, 979160, 1195705, 1366520, 1776476, 1913128, 1958320, 2220595, 2391410, 2733040, 3108833, 3552952, 3826256, 4441190, 4782820, 6217666, 7105904, 8882380, 9565640, 12435332, 15544165, 17764760, 19131280, 24870664, 31088330, 35529520, 49741328, 62176660, 124353320, 248706640]

約数ペア:

[(1, 248706640), (2, 124353320), (4, 62176660), (5, 49741328), (7, 35529520), (8, 31088330), (10, 24870664), (13, 19131280), (14, 17764760), (16, 15544165), (20, 12435332), (26, 9565640), (28, 8882380), (35, 7105904), (40, 6217666), (52, 4782820), (56, 4441190), (65, 3826256), (70, 3552952), (80, 3108833), (91, 2733040), (104, 2391410), (112, 2220595), (127, 1958320), (130, 1913128), (140, 1776476), (182, 1366520), (208, 1195705), (254, 979160), (260, 956564), (269, 924560), (280, 888238), (364, 683260), (455, 546608), (508, 489580), (520, 478282), (538, 462280), (560, 444119), (635, 391664), (728, 341630), (889, 279760), (910, 273304), (1016, 244790), (1040, 239141), (1076, 231140), (1270, 195832), (1345, 184912), (1456, 170815), (1651, 150640), (1778, 139880), (1820, 136652), (1883, 132080), (2032, 122395), (2152, 115570), (2540, 97916), (2690, 92456), (3302, 75320), (3497, 71120), (3556, 69940), (3640, 68326), (3766, 66040), (4304, 57785), (4445, 55952), (5080, 48958), (5380, 46228), (6604, 37660), (6994, 35560), (7112, 34970), (7280, 34163), (7532, 33020), (8255, 30128), (8890, 27976), (9415, 26416), (10160, 24479), (10760, 23114), (11557, 21520), (13208, 18830), (13988, 17780), (14224, 17485), (15064, 16510)]