291851280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:838

約数の個数: 240

約数和(自身を含む): 1135879680

約数和(自身を除く): 844028400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 711, 720, 733, 790, 840, 948, 1008, 1106, 1185, 1260, 1264, 1422, 1466, 1580, 1659, 1680, 1896, 2199, 2212, 2370, 2520, 2765, 2844, 2932, 3160, 3318, 3555, 3665, 3792, 4398, 4424, 4740, 4977, 5040, 5131, 5530, 5688, 5864, 6320, 6597, 6636, 7110, 7330, 8295, 8796, 8848, 9480, 9954, 10262, 10995, 11060, 11376, 11728, 13194, 13272, 14220, 14660, 15393, 16590, 17592, 18960, 19908, 20524, 21990, 22120, 24885, 25655, 26388, 26544, 28440, 29320, 30786, 32985, 33180, 35184, 39816, 41048, 43980, 44240, 46179, 49770, 51310, 52776, 56880, 57907, 58640, 61572, 65970, 66360, 76965, 79632, 82096, 87960, 92358, 99540, 102620, 105552, 115814, 123144, 131940, 132720, 153930, 173721, 175920, 184716, 199080, 205240, 230895, 231628, 246288, 263880, 289535, 307860, 347442, 369432, 398160, 405349, 410480, 461790, 463256, 521163, 527760, 579070, 615720, 694884, 738864, 810698, 868605, 923580, 926512, 1042326, 1158140, 1216047, 1231440, 1389768, 1621396, 1737210, 1847160, 2026745, 2084652, 2316280, 2432094, 2605815, 2779536, 3242792, 3474420, 3648141, 3694320, 4053490, 4169304, 4632560, 4864188, 5211630, 6080235, 6485584, 6948840, 7296282, 8106980, 8338608, 9728376, 10423260, 12160470, 13897680, 14592564, 16213960, 18240705, 19456752, 20846520, 24320940, 29185128, 32427920, 36481410, 41693040, 48641880, 58370256, 72962820, 97283760, 145925640, 291851280]

約数ペア:

[(1, 291851280), (2, 145925640), (3, 97283760), (4, 72962820), (5, 58370256), (6, 48641880), (7, 41693040), (8, 36481410), (9, 32427920), (10, 29185128), (12, 24320940), (14, 20846520), (15, 19456752), (16, 18240705), (18, 16213960), (20, 14592564), (21, 13897680), (24, 12160470), (28, 10423260), (30, 9728376), (35, 8338608), (36, 8106980), (40, 7296282), (42, 6948840), (45, 6485584), (48, 6080235), (56, 5211630), (60, 4864188), (63, 4632560), (70, 4169304), (72, 4053490), (79, 3694320), (80, 3648141), (84, 3474420), (90, 3242792), (105, 2779536), (112, 2605815), (120, 2432094), (126, 2316280), (140, 2084652), (144, 2026745), (158, 1847160), (168, 1737210), (180, 1621396), (210, 1389768), (237, 1231440), (240, 1216047), (252, 1158140), (280, 1042326), (315, 926512), (316, 923580), (336, 868605), (360, 810698), (395, 738864), (420, 694884), (474, 615720), (504, 579070), (553, 527760), (560, 521163), (630, 463256), (632, 461790), (711, 410480), (720, 405349), (733, 398160), (790, 369432), (840, 347442), (948, 307860), (1008, 289535), (1106, 263880), (1185, 246288), (1260, 231628), (1264, 230895), (1422, 205240), (1466, 199080), (1580, 184716), (1659, 175920), (1680, 173721), (1896, 153930), (2199, 132720), (2212, 131940), (2370, 123144), (2520, 115814), (2765, 105552), (2844, 102620), (2932, 99540), (3160, 92358), (3318, 87960), (3555, 82096), (3665, 79632), (3792, 76965), (4398, 66360), (4424, 65970), (4740, 61572), (4977, 58640), (5040, 57907), (5131, 56880), (5530, 52776), (5688, 51310), (5864, 49770), (6320, 46179), (6597, 44240), (6636, 43980), (7110, 41048), (7330, 39816), (8295, 35184), (8796, 33180), (8848, 32985), (9480, 30786), (9954, 29320), (10262, 28440), (10995, 26544), (11060, 26388), (11376, 25655), (11728, 24885), (13194, 22120), (13272, 21990), (14220, 20524), (14660, 19908), (15393, 18960), (16590, 17592)]