421357440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 256

約数和(自身を含む): 1554577920

約数和(自身を除く): 1133220480

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, 107, 112, 120, 128, 140, 160, 168, 192, 210, 214, 224, 240, 280, 293, 320, 321, 336, 384, 420, 428, 448, 480, 535, 560, 586, 640, 642, 672, 749, 840, 856, 879, 896, 960, 1070, 1120, 1172, 1284, 1344, 1465, 1498, 1605, 1680, 1712, 1758, 1920, 2051, 2140, 2240, 2247, 2344, 2568, 2688, 2930, 2996, 3210, 3360, 3424, 3516, 3745, 4102, 4280, 4395, 4480, 4494, 4688, 5136, 5860, 5992, 6153, 6420, 6720, 6848, 7032, 7490, 8204, 8560, 8790, 8988, 9376, 10255, 10272, 11235, 11720, 11984, 12306, 12840, 13440, 13696, 14064, 14980, 16408, 17120, 17580, 17976, 18752, 20510, 20544, 22470, 23440, 23968, 24612, 25680, 28128, 29960, 30765, 31351, 32816, 34240, 35160, 35952, 37504, 41020, 41088, 44940, 46880, 47936, 49224, 51360, 56256, 59920, 61530, 62702, 65632, 68480, 70320, 71904, 82040, 89880, 93760, 94053, 95872, 98448, 102720, 112512, 119840, 123060, 125404, 131264, 140640, 143808, 156755, 164080, 179760, 187520, 188106, 196896, 205440, 219457, 239680, 246120, 250808, 262528, 281280, 287616, 313510, 328160, 359520, 376212, 393792, 438914, 470265, 479360, 492240, 501616, 562560, 627020, 656320, 658371, 719040, 752424, 787584, 877828, 940530, 984480, 1003232, 1097285, 1254040, 1312640, 1316742, 1438080, 1504848, 1755656, 1881060, 1968960, 2006464, 2194570, 2508080, 2633484, 3009696, 3291855, 3511312, 3762120, 3937920, 4012928, 4389140, 5016160, 5266968, 6019392, 6583710, 7022624, 7524240, 8778280, 10032320, 10533936, 12038784, 13167420, 14045248, 15048480, 17556560, 20064640, 21067872, 26334840, 28090496, 30096960, 35113120, 42135744, 52669680, 60193920, 70226240, 84271488, 105339360, 140452480, 210678720, 421357440]

約数ペア:

[(1, 421357440), (2, 210678720), (3, 140452480), (4, 105339360), (5, 84271488), (6, 70226240), (7, 60193920), (8, 52669680), (10, 42135744), (12, 35113120), (14, 30096960), (15, 28090496), (16, 26334840), (20, 21067872), (21, 20064640), (24, 17556560), (28, 15048480), (30, 14045248), (32, 13167420), (35, 12038784), (40, 10533936), (42, 10032320), (48, 8778280), (56, 7524240), (60, 7022624), (64, 6583710), (70, 6019392), (80, 5266968), (84, 5016160), (96, 4389140), (105, 4012928), (107, 3937920), (112, 3762120), (120, 3511312), (128, 3291855), (140, 3009696), (160, 2633484), (168, 2508080), (192, 2194570), (210, 2006464), (214, 1968960), (224, 1881060), (240, 1755656), (280, 1504848), (293, 1438080), (320, 1316742), (321, 1312640), (336, 1254040), (384, 1097285), (420, 1003232), (428, 984480), (448, 940530), (480, 877828), (535, 787584), (560, 752424), (586, 719040), (640, 658371), (642, 656320), (672, 627020), (749, 562560), (840, 501616), (856, 492240), (879, 479360), (896, 470265), (960, 438914), (1070, 393792), (1120, 376212), (1172, 359520), (1284, 328160), (1344, 313510), (1465, 287616), (1498, 281280), (1605, 262528), (1680, 250808), (1712, 246120), (1758, 239680), (1920, 219457), (2051, 205440), (2140, 196896), (2240, 188106), (2247, 187520), (2344, 179760), (2568, 164080), (2688, 156755), (2930, 143808), (2996, 140640), (3210, 131264), (3360, 125404), (3424, 123060), (3516, 119840), (3745, 112512), (4102, 102720), (4280, 98448), (4395, 95872), (4480, 94053), (4494, 93760), (4688, 89880), (5136, 82040), (5860, 71904), (5992, 70320), (6153, 68480), (6420, 65632), (6720, 62702), (6848, 61530), (7032, 59920), (7490, 56256), (8204, 51360), (8560, 49224), (8790, 47936), (8988, 46880), (9376, 44940), (10255, 41088), (10272, 41020), (11235, 37504), (11720, 35952), (11984, 35160), (12306, 34240), (12840, 32816), (13440, 31351), (13696, 30765), (14064, 29960), (14980, 28128), (16408, 25680), (17120, 24612), (17580, 23968), (17976, 23440), (18752, 22470), (20510, 20544)]