278340720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3919

約数の個数: 160

約数和(自身を含む): 1009316352

約数和(自身を除く): 730975632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3612, 3853, 4515, 4816, 5160, 6020, 7224, 7706, 9030, 10320, 11559, 12040, 14448, 15412, 18060, 19265, 23118, 24080, 26971, 30824, 36120, 38530, 46236, 53942, 57795, 61648, 72240, 77060, 80913, 92472, 107884, 115590, 134855, 154120, 161826, 165679, 184944, 215768, 231180, 269710, 308240, 323652, 331358, 404565, 431536, 462360, 497037, 539420, 647304, 662716, 809130, 828395, 924720, 994074, 1078840, 1159753, 1294608, 1325432, 1618260, 1656790, 1988148, 2157680, 2319506, 2485185, 2650864, 3236520, 3313580, 3479259, 3976296, 4639012, 4970370, 5798765, 6473040, 6627160, 6958518, 7952592, 9278024, 9940740, 11597530, 13254320, 13917036, 17396295, 18556048, 19881480, 23195060, 27834072, 34792590, 39762960, 46390120, 55668144, 69585180, 92780240, 139170360, 278340720]

約数ペア:

[(1, 278340720), (2, 139170360), (3, 92780240), (4, 69585180), (5, 55668144), (6, 46390120), (7, 39762960), (8, 34792590), (10, 27834072), (12, 23195060), (14, 19881480), (15, 18556048), (16, 17396295), (20, 13917036), (21, 13254320), (24, 11597530), (28, 9940740), (30, 9278024), (35, 7952592), (40, 6958518), (42, 6627160), (43, 6473040), (48, 5798765), (56, 4970370), (60, 4639012), (70, 3976296), (80, 3479259), (84, 3313580), (86, 3236520), (105, 2650864), (112, 2485185), (120, 2319506), (129, 2157680), (140, 1988148), (168, 1656790), (172, 1618260), (210, 1325432), (215, 1294608), (240, 1159753), (258, 1078840), (280, 994074), (301, 924720), (336, 828395), (344, 809130), (420, 662716), (430, 647304), (516, 539420), (560, 497037), (602, 462360), (645, 431536), (688, 404565), (840, 331358), (860, 323652), (903, 308240), (1032, 269710), (1204, 231180), (1290, 215768), (1505, 184944), (1680, 165679), (1720, 161826), (1806, 154120), (2064, 134855), (2408, 115590), (2580, 107884), (3010, 92472), (3440, 80913), (3612, 77060), (3853, 72240), (4515, 61648), (4816, 57795), (5160, 53942), (6020, 46236), (7224, 38530), (7706, 36120), (9030, 30824), (10320, 26971), (11559, 24080), (12040, 23118), (14448, 19265), (15412, 18060)]