321769560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20161}}^1$

素因数の和:20201

約数の個数: 128

約数和(自身を含む): 1161331200

約数和(自身を除く): 839561640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 20161, 40322, 60483, 80644, 100805, 120966, 141127, 161288, 201610, 241932, 282254, 302415, 383059, 403220, 423381, 483864, 564508, 604830, 705635, 766118, 806440, 846762, 1129016, 1149177, 1209660, 1411270, 1532236, 1693524, 1915295, 2116905, 2298354, 2419320, 2681413, 2822540, 3064472, 3387048, 3830590, 4233810, 4596708, 5362826, 5645080, 5745885, 7661180, 8044239, 8467620, 9193416, 10725652, 11491770, 13407065, 15322360, 16088478, 16935240, 21451304, 22983540, 26814130, 32176956, 40221195, 45967080, 53628260, 64353912, 80442390, 107256520, 160884780, 321769560]

約数ペア:

[(1, 321769560), (2, 160884780), (3, 107256520), (4, 80442390), (5, 64353912), (6, 53628260), (7, 45967080), (8, 40221195), (10, 32176956), (12, 26814130), (14, 22983540), (15, 21451304), (19, 16935240), (20, 16088478), (21, 15322360), (24, 13407065), (28, 11491770), (30, 10725652), (35, 9193416), (38, 8467620), (40, 8044239), (42, 7661180), (56, 5745885), (57, 5645080), (60, 5362826), (70, 4596708), (76, 4233810), (84, 3830590), (95, 3387048), (105, 3064472), (114, 2822540), (120, 2681413), (133, 2419320), (140, 2298354), (152, 2116905), (168, 1915295), (190, 1693524), (210, 1532236), (228, 1411270), (266, 1209660), (280, 1149177), (285, 1129016), (380, 846762), (399, 806440), (420, 766118), (456, 705635), (532, 604830), (570, 564508), (665, 483864), (760, 423381), (798, 403220), (840, 383059), (1064, 302415), (1140, 282254), (1330, 241932), (1596, 201610), (1995, 161288), (2280, 141127), (2660, 120966), (3192, 100805), (3990, 80644), (5320, 60483), (7980, 40322), (15960, 20161)]