1408156680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2591}}^1$

素因数の和:3259

約数の個数: 128

約数和(自身を含む): 4837294080

約数和(自身を除く): 3429137400

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, 84, 105, 120, 140, 168, 210, 280, 420, 647, 840, 1294, 1941, 2588, 2591, 3235, 3882, 4529, 5176, 5182, 6470, 7764, 7773, 9058, 9705, 10364, 12940, 12955, 13587, 15528, 15546, 18116, 18137, 19410, 20728, 22645, 25880, 25910, 27174, 31092, 36232, 36274, 38820, 38865, 45290, 51820, 54348, 54411, 62184, 67935, 72548, 77640, 77730, 90580, 90685, 103640, 108696, 108822, 135870, 145096, 155460, 181160, 181370, 217644, 271740, 272055, 310920, 362740, 435288, 543480, 544110, 725480, 1088220, 1676377, 2176440, 3352754, 5029131, 6705508, 8381885, 10058262, 11734639, 13411016, 16763770, 20116524, 23469278, 25145655, 33527540, 35203917, 40233048, 46938556, 50291310, 58673195, 67055080, 70407834, 93877112, 100582620, 117346390, 140815668, 176019585, 201165240, 234692780, 281631336, 352039170, 469385560, 704078340, 1408156680]

約数ペア:

[(1, 1408156680), (2, 704078340), (3, 469385560), (4, 352039170), (5, 281631336), (6, 234692780), (7, 201165240), (8, 176019585), (10, 140815668), (12, 117346390), (14, 100582620), (15, 93877112), (20, 70407834), (21, 67055080), (24, 58673195), (28, 50291310), (30, 46938556), (35, 40233048), (40, 35203917), (42, 33527540), (56, 25145655), (60, 23469278), (70, 20116524), (84, 16763770), (105, 13411016), (120, 11734639), (140, 10058262), (168, 8381885), (210, 6705508), (280, 5029131), (420, 3352754), (647, 2176440), (840, 1676377), (1294, 1088220), (1941, 725480), (2588, 544110), (2591, 543480), (3235, 435288), (3882, 362740), (4529, 310920), (5176, 272055), (5182, 271740), (6470, 217644), (7764, 181370), (7773, 181160), (9058, 155460), (9705, 145096), (10364, 135870), (12940, 108822), (12955, 108696), (13587, 103640), (15528, 90685), (15546, 90580), (18116, 77730), (18137, 77640), (19410, 72548), (20728, 67935), (22645, 62184), (25880, 54411), (25910, 54348), (27174, 51820), (31092, 45290), (36232, 38865), (36274, 38820)]