8705408280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{283}}^1\times {\mathrm{887}}^1$

素因数の和:1218

約数の個数: 192

約数和(自身を含む): 27872259840

約数和(自身を除く): 19166851560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 283, 289, 340, 408, 510, 566, 578, 680, 849, 867, 887, 1020, 1132, 1156, 1415, 1445, 1698, 1734, 1774, 2040, 2264, 2312, 2661, 2830, 2890, 3396, 3468, 3548, 4245, 4335, 4435, 4811, 5322, 5660, 5780, 6792, 6936, 7096, 8490, 8670, 8870, 9622, 10644, 11320, 11560, 13305, 14433, 15079, 16980, 17340, 17740, 19244, 21288, 24055, 26610, 28866, 30158, 33960, 34680, 35480, 38488, 45237, 48110, 53220, 57732, 60316, 72165, 75395, 81787, 90474, 96220, 106440, 115464, 120632, 144330, 150790, 163574, 180948, 192440, 226185, 245361, 251021, 256343, 288660, 301580, 327148, 361896, 408935, 452370, 490722, 502042, 512686, 577320, 603160, 654296, 753063, 769029, 817870, 904740, 981444, 1004084, 1025372, 1226805, 1255105, 1281715, 1506126, 1538058, 1635740, 1809480, 1962888, 2008168, 2050744, 2453610, 2510210, 2563430, 3012252, 3076116, 3271480, 3765315, 3845145, 4267357, 4907220, 5020420, 5126860, 6024504, 6152232, 7530630, 7690290, 8534714, 9814440, 10040840, 10253720, 12802071, 15061260, 15380580, 17069428, 21336785, 25604142, 30122520, 30761160, 34138856, 42673570, 51208284, 64010355, 72545069, 85347140, 102416568, 128020710, 145090138, 170694280, 217635207, 256041420, 290180276, 362725345, 435270414, 512082840, 580360552, 725450690, 870540828, 1088176035, 1450901380, 1741081656, 2176352070, 2901802760, 4352704140, 8705408280]

約数ペア:

[(1, 8705408280), (2, 4352704140), (3, 2901802760), (4, 2176352070), (5, 1741081656), (6, 1450901380), (8, 1088176035), (10, 870540828), (12, 725450690), (15, 580360552), (17, 512082840), (20, 435270414), (24, 362725345), (30, 290180276), (34, 256041420), (40, 217635207), (51, 170694280), (60, 145090138), (68, 128020710), (85, 102416568), (102, 85347140), (120, 72545069), (136, 64010355), (170, 51208284), (204, 42673570), (255, 34138856), (283, 30761160), (289, 30122520), (340, 25604142), (408, 21336785), (510, 17069428), (566, 15380580), (578, 15061260), (680, 12802071), (849, 10253720), (867, 10040840), (887, 9814440), (1020, 8534714), (1132, 7690290), (1156, 7530630), (1415, 6152232), (1445, 6024504), (1698, 5126860), (1734, 5020420), (1774, 4907220), (2040, 4267357), (2264, 3845145), (2312, 3765315), (2661, 3271480), (2830, 3076116), (2890, 3012252), (3396, 2563430), (3468, 2510210), (3548, 2453610), (4245, 2050744), (4335, 2008168), (4435, 1962888), (4811, 1809480), (5322, 1635740), (5660, 1538058), (5780, 1506126), (6792, 1281715), (6936, 1255105), (7096, 1226805), (8490, 1025372), (8670, 1004084), (8870, 981444), (9622, 904740), (10644, 817870), (11320, 769029), (11560, 753063), (13305, 654296), (14433, 603160), (15079, 577320), (16980, 512686), (17340, 502042), (17740, 490722), (19244, 452370), (21288, 408935), (24055, 361896), (26610, 327148), (28866, 301580), (30158, 288660), (33960, 256343), (34680, 251021), (35480, 245361), (38488, 226185), (45237, 192440), (48110, 180948), (53220, 163574), (57732, 150790), (60316, 144330), (72165, 120632), (75395, 115464), (81787, 106440), (90474, 96220)]