280875840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{853}}^1$

素因数の和:894

約数の個数: 224

約数和(自身を含む): 1041196800

約数和(自身を除く): 760320960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 392, 420, 448, 480, 490, 560, 588, 672, 686, 735, 784, 840, 853, 960, 980, 1029, 1120, 1176, 1344, 1372, 1470, 1568, 1680, 1706, 1715, 1960, 2058, 2240, 2352, 2559, 2744, 2940, 3136, 3360, 3412, 3430, 3920, 4116, 4265, 4704, 5118, 5145, 5488, 5880, 5971, 6720, 6824, 6860, 7840, 8232, 8530, 9408, 10236, 10290, 10976, 11760, 11942, 12795, 13648, 13720, 15680, 16464, 17060, 17913, 20472, 20580, 21952, 23520, 23884, 25590, 27296, 27440, 29855, 32928, 34120, 35826, 40944, 41160, 41797, 47040, 47768, 51180, 54592, 54880, 59710, 65856, 68240, 71652, 81888, 82320, 83594, 89565, 95536, 102360, 109760, 119420, 125391, 136480, 143304, 163776, 164640, 167188, 179130, 191072, 204720, 208985, 238840, 250782, 272960, 286608, 292579, 329280, 334376, 358260, 382144, 409440, 417970, 477680, 501564, 573216, 585158, 626955, 668752, 716520, 818880, 835940, 877737, 955360, 1003128, 1146432, 1170316, 1253910, 1337504, 1433040, 1462895, 1671880, 1755474, 1910720, 2006256, 2340632, 2507820, 2675008, 2866080, 2925790, 3343760, 3510948, 4012512, 4388685, 4681264, 5015640, 5732160, 5851580, 6687520, 7021896, 8025024, 8777370, 9362528, 10031280, 11703160, 13375040, 14043792, 17554740, 18725056, 20062560, 23406320, 28087584, 35109480, 40125120, 46812640, 56175168, 70218960, 93625280, 140437920, 280875840]

約数ペア:

[(1, 280875840), (2, 140437920), (3, 93625280), (4, 70218960), (5, 56175168), (6, 46812640), (7, 40125120), (8, 35109480), (10, 28087584), (12, 23406320), (14, 20062560), (15, 18725056), (16, 17554740), (20, 14043792), (21, 13375040), (24, 11703160), (28, 10031280), (30, 9362528), (32, 8777370), (35, 8025024), (40, 7021896), (42, 6687520), (48, 5851580), (49, 5732160), (56, 5015640), (60, 4681264), (64, 4388685), (70, 4012512), (80, 3510948), (84, 3343760), (96, 2925790), (98, 2866080), (105, 2675008), (112, 2507820), (120, 2340632), (140, 2006256), (147, 1910720), (160, 1755474), (168, 1671880), (192, 1462895), (196, 1433040), (210, 1337504), (224, 1253910), (240, 1170316), (245, 1146432), (280, 1003128), (294, 955360), (320, 877737), (336, 835940), (343, 818880), (392, 716520), (420, 668752), (448, 626955), (480, 585158), (490, 573216), (560, 501564), (588, 477680), (672, 417970), (686, 409440), (735, 382144), (784, 358260), (840, 334376), (853, 329280), (960, 292579), (980, 286608), (1029, 272960), (1120, 250782), (1176, 238840), (1344, 208985), (1372, 204720), (1470, 191072), (1568, 179130), (1680, 167188), (1706, 164640), (1715, 163776), (1960, 143304), (2058, 136480), (2240, 125391), (2352, 119420), (2559, 109760), (2744, 102360), (2940, 95536), (3136, 89565), (3360, 83594), (3412, 82320), (3430, 81888), (3920, 71652), (4116, 68240), (4265, 65856), (4704, 59710), (5118, 54880), (5145, 54592), (5488, 51180), (5880, 47768), (5971, 47040), (6720, 41797), (6824, 41160), (6860, 40944), (7840, 35826), (8232, 34120), (8530, 32928), (9408, 29855), (10236, 27440), (10290, 27296), (10976, 25590), (11760, 23884), (11942, 23520), (12795, 21952), (13648, 20580), (13720, 20472), (15680, 17913), (16464, 17060)]