421845760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 216

約数和(自身を含む): 1220758560

約数和(自身を除く): 798912800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 89, 92, 112, 115, 128, 140, 160, 161, 178, 184, 224, 230, 256, 280, 320, 322, 356, 368, 445, 448, 460, 529, 560, 623, 640, 644, 712, 736, 805, 890, 896, 920, 1058, 1120, 1246, 1280, 1288, 1424, 1472, 1610, 1780, 1792, 1840, 2047, 2116, 2240, 2492, 2576, 2645, 2848, 2944, 3115, 3220, 3560, 3680, 3703, 4094, 4232, 4480, 4984, 5152, 5290, 5696, 5888, 6230, 6440, 7120, 7360, 7406, 8188, 8464, 8960, 9968, 10235, 10304, 10580, 11392, 12460, 12880, 14240, 14329, 14720, 14812, 16376, 16928, 18515, 19936, 20470, 20608, 21160, 22784, 24920, 25760, 28480, 28658, 29440, 29624, 32752, 33856, 37030, 39872, 40940, 41216, 42320, 47081, 49840, 51520, 56960, 57316, 59248, 65504, 67712, 71645, 74060, 79744, 81880, 84640, 94162, 99680, 103040, 113920, 114632, 118496, 131008, 135424, 143290, 148120, 159488, 163760, 169280, 188324, 199360, 206080, 229264, 235405, 236992, 262016, 286580, 296240, 327520, 329567, 338560, 376648, 398720, 458528, 470810, 473984, 524032, 573160, 592480, 655040, 659134, 677120, 753296, 797440, 917056, 941620, 947968, 1146320, 1184960, 1310080, 1318268, 1506592, 1647835, 1834112, 1883240, 2292640, 2369920, 2620160, 2636536, 3013184, 3295670, 3668224, 3766480, 4585280, 4739840, 5273072, 6026368, 6591340, 7532960, 9170560, 10546144, 12052736, 13182680, 15065920, 18341120, 21092288, 26365360, 30131840, 42184576, 52730720, 60263680, 84369152, 105461440, 210922880, 421845760]

約数ペア:

[(1, 421845760), (2, 210922880), (4, 105461440), (5, 84369152), (7, 60263680), (8, 52730720), (10, 42184576), (14, 30131840), (16, 26365360), (20, 21092288), (23, 18341120), (28, 15065920), (32, 13182680), (35, 12052736), (40, 10546144), (46, 9170560), (56, 7532960), (64, 6591340), (70, 6026368), (80, 5273072), (89, 4739840), (92, 4585280), (112, 3766480), (115, 3668224), (128, 3295670), (140, 3013184), (160, 2636536), (161, 2620160), (178, 2369920), (184, 2292640), (224, 1883240), (230, 1834112), (256, 1647835), (280, 1506592), (320, 1318268), (322, 1310080), (356, 1184960), (368, 1146320), (445, 947968), (448, 941620), (460, 917056), (529, 797440), (560, 753296), (623, 677120), (640, 659134), (644, 655040), (712, 592480), (736, 573160), (805, 524032), (890, 473984), (896, 470810), (920, 458528), (1058, 398720), (1120, 376648), (1246, 338560), (1280, 329567), (1288, 327520), (1424, 296240), (1472, 286580), (1610, 262016), (1780, 236992), (1792, 235405), (1840, 229264), (2047, 206080), (2116, 199360), (2240, 188324), (2492, 169280), (2576, 163760), (2645, 159488), (2848, 148120), (2944, 143290), (3115, 135424), (3220, 131008), (3560, 118496), (3680, 114632), (3703, 113920), (4094, 103040), (4232, 99680), (4480, 94162), (4984, 84640), (5152, 81880), (5290, 79744), (5696, 74060), (5888, 71645), (6230, 67712), (6440, 65504), (7120, 59248), (7360, 57316), (7406, 56960), (8188, 51520), (8464, 49840), (8960, 47081), (9968, 42320), (10235, 41216), (10304, 40940), (10580, 39872), (11392, 37030), (12460, 33856), (12880, 32752), (14240, 29624), (14329, 29440), (14720, 28658), (14812, 28480), (16376, 25760), (16928, 24920), (18515, 22784), (19936, 21160), (20470, 20608)]