68401920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 223695360

約数和(自身を除く): 155293440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 256, 282, 320, 376, 379, 384, 470, 480, 564, 640, 705, 752, 758, 768, 940, 960, 1128, 1137, 1280, 1410, 1504, 1516, 1880, 1895, 1920, 2256, 2274, 2820, 3008, 3032, 3760, 3790, 3840, 4512, 4548, 5640, 5685, 6016, 6064, 7520, 7580, 9024, 9096, 11280, 11370, 12032, 12128, 15040, 15160, 17813, 18048, 18192, 22560, 22740, 24256, 30080, 30320, 35626, 36096, 36384, 45120, 45480, 48512, 53439, 60160, 60640, 71252, 72768, 89065, 90240, 90960, 97024, 106878, 121280, 142504, 145536, 178130, 180480, 181920, 213756, 242560, 267195, 285008, 291072, 356260, 363840, 427512, 485120, 534390, 570016, 712520, 727680, 855024, 1068780, 1140032, 1425040, 1455360, 1710048, 2137560, 2280064, 2850080, 3420096, 4275120, 4560128, 5700160, 6840192, 8550240, 11400320, 13680384, 17100480, 22800640, 34200960, 68401920]

約数ペア:

[(1, 68401920), (2, 34200960), (3, 22800640), (4, 17100480), (5, 13680384), (6, 11400320), (8, 8550240), (10, 6840192), (12, 5700160), (15, 4560128), (16, 4275120), (20, 3420096), (24, 2850080), (30, 2280064), (32, 2137560), (40, 1710048), (47, 1455360), (48, 1425040), (60, 1140032), (64, 1068780), (80, 855024), (94, 727680), (96, 712520), (120, 570016), (128, 534390), (141, 485120), (160, 427512), (188, 363840), (192, 356260), (235, 291072), (240, 285008), (256, 267195), (282, 242560), (320, 213756), (376, 181920), (379, 180480), (384, 178130), (470, 145536), (480, 142504), (564, 121280), (640, 106878), (705, 97024), (752, 90960), (758, 90240), (768, 89065), (940, 72768), (960, 71252), (1128, 60640), (1137, 60160), (1280, 53439), (1410, 48512), (1504, 45480), (1516, 45120), (1880, 36384), (1895, 36096), (1920, 35626), (2256, 30320), (2274, 30080), (2820, 24256), (3008, 22740), (3032, 22560), (3760, 18192), (3790, 18048), (3840, 17813), (4512, 15160), (4548, 15040), (5640, 12128), (5685, 12032), (6016, 11370), (6064, 11280), (7520, 9096), (7580, 9024)]