280445760

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4637}}^1$

素因数の和:4670

約数の個数: 224

約数和(自身を含む): 1130929920

約数和(自身を除く): 850484160

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 4637, 5040, 6048, 6720, 7560, 8640, 9274, 10080, 12096, 13911, 15120, 18548, 20160, 23185, 27822, 30240, 32459, 37096, 41733, 46370, 55644, 60480, 64918, 69555, 74192, 83466, 92740, 97377, 111288, 125199, 129836, 139110, 148384, 162295, 166932, 185480, 194754, 208665, 222576, 250398, 259672, 278220, 292131, 296768, 324590, 333864, 370960, 389508, 417330, 445152, 486885, 500796, 519344, 556440, 584262, 625995, 649180, 667728, 741920, 779016, 834660, 876393, 890304, 973770, 1001592, 1038688, 1112880, 1168524, 1251990, 1298360, 1335456, 1460655, 1483840, 1558032, 1669320, 1752786, 1947540, 2003184, 2077376, 2225760, 2337048, 2503980, 2596720, 2670912, 2921310, 3116064, 3338640, 3505572, 3895080, 4006368, 4381965, 4451520, 4674096, 5007960, 5193440, 5842620, 6232128, 6677280, 7011144, 7790160, 8012736, 8763930, 9348192, 10015920, 10386880, 11685240, 13354560, 14022288, 15580320, 17527860, 18696384, 20031840, 23370480, 28044576, 31160640, 35055720, 40063680, 46740960, 56089152, 70111440, 93481920, 140222880, 280445760]

約数ペア:

[(1, 280445760), (2, 140222880), (3, 93481920), (4, 70111440), (5, 56089152), (6, 46740960), (7, 40063680), (8, 35055720), (9, 31160640), (10, 28044576), (12, 23370480), (14, 20031840), (15, 18696384), (16, 17527860), (18, 15580320), (20, 14022288), (21, 13354560), (24, 11685240), (27, 10386880), (28, 10015920), (30, 9348192), (32, 8763930), (35, 8012736), (36, 7790160), (40, 7011144), (42, 6677280), (45, 6232128), (48, 5842620), (54, 5193440), (56, 5007960), (60, 4674096), (63, 4451520), (64, 4381965), (70, 4006368), (72, 3895080), (80, 3505572), (84, 3338640), (90, 3116064), (96, 2921310), (105, 2670912), (108, 2596720), (112, 2503980), (120, 2337048), (126, 2225760), (135, 2077376), (140, 2003184), (144, 1947540), (160, 1752786), (168, 1669320), (180, 1558032), (189, 1483840), (192, 1460655), (210, 1335456), (216, 1298360), (224, 1251990), (240, 1168524), (252, 1112880), (270, 1038688), (280, 1001592), (288, 973770), (315, 890304), (320, 876393), (336, 834660), (360, 779016), (378, 741920), (420, 667728), (432, 649180), (448, 625995), (480, 584262), (504, 556440), (540, 519344), (560, 500796), (576, 486885), (630, 445152), (672, 417330), (720, 389508), (756, 370960), (840, 333864), (864, 324590), (945, 296768), (960, 292131), (1008, 278220), (1080, 259672), (1120, 250398), (1260, 222576), (1344, 208665), (1440, 194754), (1512, 185480), (1680, 166932), (1728, 162295), (1890, 148384), (2016, 139110), (2160, 129836), (2240, 125199), (2520, 111288), (2880, 97377), (3024, 92740), (3360, 83466), (3780, 74192), (4032, 69555), (4320, 64918), (4637, 60480), (5040, 55644), (6048, 46370), (6720, 41733), (7560, 37096), (8640, 32459), (9274, 30240), (10080, 27822), (12096, 23185), (13911, 20160), (15120, 18548)]