287333760

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21379}}^1$

素因数の和:21408

約数の個数: 128

約数和(自身を含む): 1046764800

約数和(自身を除く): 759431040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21379, 42758, 64137, 85516, 106895, 128274, 149653, 171032, 213790, 256548, 299306, 320685, 342064, 427580, 448959, 513096, 598612, 641370, 684128, 748265, 855160, 897918, 1026192, 1197224, 1282740, 1368256, 1496530, 1710320, 1795836, 2052384, 2244795, 2394448, 2565480, 2736512, 2993060, 3420640, 3591672, 4104768, 4489590, 4788896, 5130960, 5986120, 6841280, 7183344, 8209536, 8979180, 9577792, 10261920, 11972240, 13682560, 14366688, 17958360, 19155584, 20523840, 23944480, 28733376, 35916720, 41047680, 47888960, 57466752, 71833440, 95777920, 143666880, 287333760]

約数ペア:

[(1, 287333760), (2, 143666880), (3, 95777920), (4, 71833440), (5, 57466752), (6, 47888960), (7, 41047680), (8, 35916720), (10, 28733376), (12, 23944480), (14, 20523840), (15, 19155584), (16, 17958360), (20, 14366688), (21, 13682560), (24, 11972240), (28, 10261920), (30, 9577792), (32, 8979180), (35, 8209536), (40, 7183344), (42, 6841280), (48, 5986120), (56, 5130960), (60, 4788896), (64, 4489590), (70, 4104768), (80, 3591672), (84, 3420640), (96, 2993060), (105, 2736512), (112, 2565480), (120, 2394448), (128, 2244795), (140, 2052384), (160, 1795836), (168, 1710320), (192, 1496530), (210, 1368256), (224, 1282740), (240, 1197224), (280, 1026192), (320, 897918), (336, 855160), (384, 748265), (420, 684128), (448, 641370), (480, 598612), (560, 513096), (640, 448959), (672, 427580), (840, 342064), (896, 320685), (960, 299306), (1120, 256548), (1344, 213790), (1680, 171032), (1920, 149653), (2240, 128274), (2688, 106895), (3360, 85516), (4480, 64137), (6720, 42758), (13440, 21379)]