128840280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 413138880

約数和(自身を除く): 284298600

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, 137, 170, 204, 255, 274, 340, 408, 411, 461, 510, 548, 680, 685, 822, 922, 1020, 1096, 1370, 1383, 1644, 1844, 2040, 2055, 2305, 2329, 2740, 2766, 3288, 3688, 4110, 4610, 4658, 5480, 5532, 6915, 6987, 7837, 8220, 9220, 9316, 11064, 11645, 13830, 13974, 15674, 16440, 18440, 18632, 23290, 23511, 27660, 27948, 31348, 34935, 39185, 46580, 47022, 55320, 55896, 62696, 63157, 69870, 78370, 93160, 94044, 117555, 126314, 139740, 156740, 188088, 189471, 235110, 252628, 279480, 313480, 315785, 378942, 470220, 505256, 631570, 757884, 940440, 947355, 1073669, 1263140, 1515768, 1894710, 2147338, 2526280, 3221007, 3789420, 4294676, 5368345, 6442014, 7578840, 8589352, 10736690, 12884028, 16105035, 21473380, 25768056, 32210070, 42946760, 64420140, 128840280]

約数ペア:

[(1, 128840280), (2, 64420140), (3, 42946760), (4, 32210070), (5, 25768056), (6, 21473380), (8, 16105035), (10, 12884028), (12, 10736690), (15, 8589352), (17, 7578840), (20, 6442014), (24, 5368345), (30, 4294676), (34, 3789420), (40, 3221007), (51, 2526280), (60, 2147338), (68, 1894710), (85, 1515768), (102, 1263140), (120, 1073669), (136, 947355), (137, 940440), (170, 757884), (204, 631570), (255, 505256), (274, 470220), (340, 378942), (408, 315785), (411, 313480), (461, 279480), (510, 252628), (548, 235110), (680, 189471), (685, 188088), (822, 156740), (922, 139740), (1020, 126314), (1096, 117555), (1370, 94044), (1383, 93160), (1644, 78370), (1844, 69870), (2040, 63157), (2055, 62696), (2305, 55896), (2329, 55320), (2740, 47022), (2766, 46580), (3288, 39185), (3688, 34935), (4110, 31348), (4610, 27948), (4658, 27660), (5480, 23511), (5532, 23290), (6915, 18632), (6987, 18440), (7837, 16440), (8220, 15674), (9220, 13974), (9316, 13830), (11064, 11645)]