870835840

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{3967}}^1$

素因数の和:4007

約数の個数: 128

約数和(自身を含む): 2428416000

約数和(自身を除く): 1557580160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 3136, 3430, 3920, 3967, 4480, 5488, 6272, 6860, 7840, 7934, 10976, 13720, 15680, 15868, 19835, 21952, 27440, 27769, 31360, 31736, 39670, 43904, 54880, 55538, 63472, 79340, 109760, 111076, 126944, 138845, 158680, 194383, 219520, 222152, 253888, 277690, 317360, 388766, 444304, 507776, 555380, 634720, 777532, 888608, 971915, 1110760, 1269440, 1360681, 1555064, 1777216, 1943830, 2221520, 2538880, 2721362, 3110128, 3554432, 3887660, 4443040, 5442724, 6220256, 6803405, 7775320, 8886080, 10885448, 12440512, 13606810, 15550640, 17772160, 21770896, 24881024, 27213620, 31101280, 43541792, 54427240, 62202560, 87083584, 108854480, 124405120, 174167168, 217708960, 435417920, 870835840]

約数ペア:

[(1, 870835840), (2, 435417920), (4, 217708960), (5, 174167168), (7, 124405120), (8, 108854480), (10, 87083584), (14, 62202560), (16, 54427240), (20, 43541792), (28, 31101280), (32, 27213620), (35, 24881024), (40, 21770896), (49, 17772160), (56, 15550640), (64, 13606810), (70, 12440512), (80, 10885448), (98, 8886080), (112, 7775320), (128, 6803405), (140, 6220256), (160, 5442724), (196, 4443040), (224, 3887660), (245, 3554432), (280, 3110128), (320, 2721362), (343, 2538880), (392, 2221520), (448, 1943830), (490, 1777216), (560, 1555064), (640, 1360681), (686, 1269440), (784, 1110760), (896, 971915), (980, 888608), (1120, 777532), (1372, 634720), (1568, 555380), (1715, 507776), (1960, 444304), (2240, 388766), (2744, 317360), (3136, 277690), (3430, 253888), (3920, 222152), (3967, 219520), (4480, 194383), (5488, 158680), (6272, 138845), (6860, 126944), (7840, 111076), (7934, 109760), (10976, 79340), (13720, 63472), (15680, 55538), (15868, 54880), (19835, 43904), (21952, 39670), (27440, 31736), (27769, 31360)]