280876680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:781

約数の個数: 256

約数和(自身を含む): 1091750400

約数和(自身を除く): 810873720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 53, 54, 56, 60, 63, 70, 72, 84, 90, 105, 106, 108, 120, 126, 135, 140, 159, 168, 180, 189, 210, 212, 216, 252, 265, 270, 280, 315, 318, 360, 371, 378, 420, 424, 477, 504, 530, 540, 630, 636, 701, 742, 756, 795, 840, 945, 954, 1060, 1080, 1113, 1260, 1272, 1402, 1431, 1484, 1512, 1590, 1855, 1890, 1908, 2103, 2120, 2226, 2385, 2520, 2804, 2862, 2968, 3180, 3339, 3505, 3710, 3780, 3816, 4206, 4452, 4770, 4907, 5565, 5608, 5724, 6309, 6360, 6678, 7010, 7155, 7420, 7560, 8412, 8904, 9540, 9814, 10017, 10515, 11130, 11448, 12618, 13356, 14020, 14310, 14721, 14840, 16695, 16824, 18927, 19080, 19628, 20034, 21030, 22260, 24535, 25236, 26712, 28040, 28620, 29442, 31545, 33390, 37153, 37854, 39256, 40068, 42060, 44163, 44520, 49070, 50085, 50472, 57240, 58884, 63090, 66780, 73605, 74306, 75708, 80136, 84120, 88326, 94635, 98140, 100170, 111459, 117768, 126180, 132489, 133560, 147210, 148612, 151416, 176652, 185765, 189270, 196280, 200340, 220815, 222918, 252360, 260071, 264978, 294420, 297224, 334377, 353304, 371530, 378540, 400680, 441630, 445836, 520142, 529956, 557295, 588840, 662445, 668754, 743060, 757080, 780213, 883260, 891672, 1003131, 1040284, 1059912, 1114590, 1300355, 1324890, 1337508, 1486120, 1560426, 1671885, 1766520, 2006262, 2080568, 2229180, 2340639, 2600710, 2649780, 2675016, 3120852, 3343770, 3901065, 4012524, 4458360, 4681278, 5015655, 5201420, 5299560, 6241704, 6687540, 7021917, 7802130, 8025048, 9362556, 10031310, 10402840, 11703195, 13375080, 14043834, 15604260, 18725112, 20062620, 23406390, 28087668, 31208520, 35109585, 40125240, 46812780, 56175336, 70219170, 93625560, 140438340, 280876680]

約数ペア:

[(1, 280876680), (2, 140438340), (3, 93625560), (4, 70219170), (5, 56175336), (6, 46812780), (7, 40125240), (8, 35109585), (9, 31208520), (10, 28087668), (12, 23406390), (14, 20062620), (15, 18725112), (18, 15604260), (20, 14043834), (21, 13375080), (24, 11703195), (27, 10402840), (28, 10031310), (30, 9362556), (35, 8025048), (36, 7802130), (40, 7021917), (42, 6687540), (45, 6241704), (53, 5299560), (54, 5201420), (56, 5015655), (60, 4681278), (63, 4458360), (70, 4012524), (72, 3901065), (84, 3343770), (90, 3120852), (105, 2675016), (106, 2649780), (108, 2600710), (120, 2340639), (126, 2229180), (135, 2080568), (140, 2006262), (159, 1766520), (168, 1671885), (180, 1560426), (189, 1486120), (210, 1337508), (212, 1324890), (216, 1300355), (252, 1114590), (265, 1059912), (270, 1040284), (280, 1003131), (315, 891672), (318, 883260), (360, 780213), (371, 757080), (378, 743060), (420, 668754), (424, 662445), (477, 588840), (504, 557295), (530, 529956), (540, 520142), (630, 445836), (636, 441630), (701, 400680), (742, 378540), (756, 371530), (795, 353304), (840, 334377), (945, 297224), (954, 294420), (1060, 264978), (1080, 260071), (1113, 252360), (1260, 222918), (1272, 220815), (1402, 200340), (1431, 196280), (1484, 189270), (1512, 185765), (1590, 176652), (1855, 151416), (1890, 148612), (1908, 147210), (2103, 133560), (2120, 132489), (2226, 126180), (2385, 117768), (2520, 111459), (2804, 100170), (2862, 98140), (2968, 94635), (3180, 88326), (3339, 84120), (3505, 80136), (3710, 75708), (3780, 74306), (3816, 73605), (4206, 66780), (4452, 63090), (4770, 58884), (4907, 57240), (5565, 50472), (5608, 50085), (5724, 49070), (6309, 44520), (6360, 44163), (6678, 42060), (7010, 40068), (7155, 39256), (7420, 37854), (7560, 37153), (8412, 33390), (8904, 31545), (9540, 29442), (9814, 28620), (10017, 28040), (10515, 26712), (11130, 25236), (11448, 24535), (12618, 22260), (13356, 21030), (14020, 20034), (14310, 19628), (14721, 19080), (14840, 18927), (16695, 16824)]