211489320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3187}}^1$

素因数の和:3287

約数の個数: 128

約数和(自身を含む): 734515200

約数和(自身を除く): 523025880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 1106, 1185, 1580, 1659, 1896, 2212, 2370, 2765, 3160, 3187, 3318, 4424, 4740, 5530, 6374, 6636, 8295, 9480, 9561, 11060, 12748, 13272, 15935, 16590, 19122, 22120, 22309, 25496, 31870, 33180, 38244, 44618, 47805, 63740, 66360, 66927, 76488, 89236, 95610, 111545, 127480, 133854, 178472, 191220, 223090, 251773, 267708, 334635, 382440, 446180, 503546, 535416, 669270, 755319, 892360, 1007092, 1258865, 1338540, 1510638, 1762411, 2014184, 2517730, 2677080, 3021276, 3524822, 3776595, 5035460, 5287233, 6042552, 7049644, 7553190, 8812055, 10070920, 10574466, 14099288, 15106380, 17624110, 21148932, 26436165, 30212760, 35248220, 42297864, 52872330, 70496440, 105744660, 211489320]

約数ペア:

[(1, 211489320), (2, 105744660), (3, 70496440), (4, 52872330), (5, 42297864), (6, 35248220), (7, 30212760), (8, 26436165), (10, 21148932), (12, 17624110), (14, 15106380), (15, 14099288), (20, 10574466), (21, 10070920), (24, 8812055), (28, 7553190), (30, 7049644), (35, 6042552), (40, 5287233), (42, 5035460), (56, 3776595), (60, 3524822), (70, 3021276), (79, 2677080), (84, 2517730), (105, 2014184), (120, 1762411), (140, 1510638), (158, 1338540), (168, 1258865), (210, 1007092), (237, 892360), (280, 755319), (316, 669270), (395, 535416), (420, 503546), (474, 446180), (553, 382440), (632, 334635), (790, 267708), (840, 251773), (948, 223090), (1106, 191220), (1185, 178472), (1580, 133854), (1659, 127480), (1896, 111545), (2212, 95610), (2370, 89236), (2765, 76488), (3160, 66927), (3187, 66360), (3318, 63740), (4424, 47805), (4740, 44618), (5530, 38244), (6374, 33180), (6636, 31870), (8295, 25496), (9480, 22309), (9561, 22120), (11060, 19122), (12748, 16590), (13272, 15935)]