245574560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 192

約数和(自身を含む): 747823104

約数和(自身を除く): 502248544

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 341, 352, 385, 434, 440, 496, 560, 616, 620, 643, 682, 770, 868, 880, 992, 1085, 1120, 1232, 1240, 1286, 1364, 1540, 1705, 1736, 1760, 2170, 2387, 2464, 2480, 2572, 2728, 3080, 3215, 3410, 3472, 4340, 4501, 4774, 4960, 5144, 5456, 6160, 6430, 6820, 6944, 7073, 8680, 9002, 9548, 10288, 10912, 11935, 12320, 12860, 13640, 14146, 17360, 18004, 19096, 19933, 20576, 22505, 23870, 25720, 27280, 28292, 34720, 35365, 36008, 38192, 39866, 45010, 47740, 49511, 51440, 54560, 56584, 70730, 72016, 76384, 79732, 90020, 95480, 99022, 99665, 102880, 113168, 139531, 141460, 144032, 159464, 180040, 190960, 198044, 199330, 219263, 226336, 247555, 279062, 282920, 318928, 360080, 381920, 396088, 398660, 438526, 495110, 558124, 565840, 637856, 697655, 720160, 792176, 797320, 877052, 990220, 1096315, 1116248, 1131680, 1395310, 1534841, 1584352, 1594640, 1754104, 1980440, 2192630, 2232496, 2790620, 3069682, 3189280, 3508208, 3960880, 4385260, 4464992, 5581240, 6139364, 7016416, 7674205, 7921760, 8770520, 11162480, 12278728, 15348410, 17541040, 22324960, 24557456, 30696820, 35082080, 49114912, 61393640, 122787280, 245574560]

約数ペア:

[(1, 245574560), (2, 122787280), (4, 61393640), (5, 49114912), (7, 35082080), (8, 30696820), (10, 24557456), (11, 22324960), (14, 17541040), (16, 15348410), (20, 12278728), (22, 11162480), (28, 8770520), (31, 7921760), (32, 7674205), (35, 7016416), (40, 6139364), (44, 5581240), (55, 4464992), (56, 4385260), (62, 3960880), (70, 3508208), (77, 3189280), (80, 3069682), (88, 2790620), (110, 2232496), (112, 2192630), (124, 1980440), (140, 1754104), (154, 1594640), (155, 1584352), (160, 1534841), (176, 1395310), (217, 1131680), (220, 1116248), (224, 1096315), (248, 990220), (280, 877052), (308, 797320), (310, 792176), (341, 720160), (352, 697655), (385, 637856), (434, 565840), (440, 558124), (496, 495110), (560, 438526), (616, 398660), (620, 396088), (643, 381920), (682, 360080), (770, 318928), (868, 282920), (880, 279062), (992, 247555), (1085, 226336), (1120, 219263), (1232, 199330), (1240, 198044), (1286, 190960), (1364, 180040), (1540, 159464), (1705, 144032), (1736, 141460), (1760, 139531), (2170, 113168), (2387, 102880), (2464, 99665), (2480, 99022), (2572, 95480), (2728, 90020), (3080, 79732), (3215, 76384), (3410, 72016), (3472, 70730), (4340, 56584), (4501, 54560), (4774, 51440), (4960, 49511), (5144, 47740), (5456, 45010), (6160, 39866), (6430, 38192), (6820, 36008), (6944, 35365), (7073, 34720), (8680, 28292), (9002, 27280), (9548, 25720), (10288, 23870), (10912, 22505), (11935, 20576), (12320, 19933), (12860, 19096), (13640, 18004), (14146, 17360)]