254953440

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8431}}^1$

素因数の和:8462

約数の個数: 192

約数和(自身を含む): 1019934720

約数和(自身を除く): 764981280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8431, 10080, 15120, 16862, 25293, 30240, 33724, 42155, 50586, 59017, 67448, 75879, 84310, 101172, 118034, 126465, 134896, 151758, 168620, 177051, 202344, 227637, 236068, 252930, 269792, 295085, 303516, 337240, 354102, 379395, 404688, 455274, 472136, 505860, 531153, 590170, 607032, 674480, 708204, 758790, 809376, 885255, 910548, 944272, 1011720, 1062306, 1138185, 1180340, 1214064, 1348960, 1416408, 1517580, 1593459, 1770510, 1821096, 1888544, 2023440, 2124612, 2276370, 2360680, 2428128, 2655765, 2832816, 3035160, 3186918, 3541020, 3642192, 4046880, 4249224, 4552740, 4721360, 5311530, 5665632, 6070320, 6373836, 7082040, 7284384, 7967295, 8498448, 9105480, 9442720, 10623060, 12140640, 12747672, 14164080, 15934590, 16996896, 18210960, 21246120, 25495344, 28328160, 31869180, 36421920, 42492240, 50990688, 63738360, 84984480, 127476720, 254953440]

約数ペア:

[(1, 254953440), (2, 127476720), (3, 84984480), (4, 63738360), (5, 50990688), (6, 42492240), (7, 36421920), (8, 31869180), (9, 28328160), (10, 25495344), (12, 21246120), (14, 18210960), (15, 16996896), (16, 15934590), (18, 14164080), (20, 12747672), (21, 12140640), (24, 10623060), (27, 9442720), (28, 9105480), (30, 8498448), (32, 7967295), (35, 7284384), (36, 7082040), (40, 6373836), (42, 6070320), (45, 5665632), (48, 5311530), (54, 4721360), (56, 4552740), (60, 4249224), (63, 4046880), (70, 3642192), (72, 3541020), (80, 3186918), (84, 3035160), (90, 2832816), (96, 2655765), (105, 2428128), (108, 2360680), (112, 2276370), (120, 2124612), (126, 2023440), (135, 1888544), (140, 1821096), (144, 1770510), (160, 1593459), (168, 1517580), (180, 1416408), (189, 1348960), (210, 1214064), (216, 1180340), (224, 1138185), (240, 1062306), (252, 1011720), (270, 944272), (280, 910548), (288, 885255), (315, 809376), (336, 758790), (360, 708204), (378, 674480), (420, 607032), (432, 590170), (480, 531153), (504, 505860), (540, 472136), (560, 455274), (630, 404688), (672, 379395), (720, 354102), (756, 337240), (840, 303516), (864, 295085), (945, 269792), (1008, 252930), (1080, 236068), (1120, 227637), (1260, 202344), (1440, 177051), (1512, 168620), (1680, 151758), (1890, 134896), (2016, 126465), (2160, 118034), (2520, 101172), (3024, 84310), (3360, 75879), (3780, 67448), (4320, 59017), (5040, 50586), (6048, 42155), (7560, 33724), (8431, 30240), (10080, 25293), (15120, 16862)]