279321840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:536

約数の個数: 240

約数和(自身を含む): 1081948608

約数和(自身を除く): 802626768

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, 80, 84, 90, 105, 112, 120, 126, 140, 144, 157, 168, 180, 210, 240, 252, 280, 314, 315, 336, 353, 360, 420, 471, 504, 560, 628, 630, 706, 720, 785, 840, 942, 1008, 1059, 1099, 1256, 1260, 1412, 1413, 1570, 1680, 1765, 1884, 2118, 2198, 2355, 2471, 2512, 2520, 2824, 2826, 3140, 3177, 3297, 3530, 3768, 4236, 4396, 4710, 4942, 5040, 5295, 5495, 5648, 5652, 6280, 6354, 6594, 7060, 7065, 7413, 7536, 8472, 8792, 9420, 9884, 9891, 10590, 10990, 11304, 12355, 12560, 12708, 13188, 14120, 14130, 14826, 15885, 16485, 16944, 17584, 18840, 19768, 19782, 21180, 21980, 22239, 22608, 24710, 25416, 26376, 28240, 28260, 29652, 31770, 32970, 37065, 37680, 39536, 39564, 42360, 43960, 44478, 49420, 49455, 50832, 52752, 55421, 56520, 59304, 63540, 65940, 74130, 79128, 84720, 87920, 88956, 98840, 98910, 110842, 111195, 113040, 118608, 127080, 131880, 148260, 158256, 166263, 177912, 197680, 197820, 221684, 222390, 254160, 263760, 277105, 296520, 332526, 355824, 387947, 395640, 443368, 444780, 498789, 554210, 593040, 665052, 775894, 791280, 831315, 886736, 889560, 997578, 1108420, 1163841, 1330104, 1551788, 1662630, 1779120, 1939735, 1995156, 2216840, 2327682, 2493945, 2660208, 3103576, 3325260, 3491523, 3879470, 3990312, 4433680, 4655364, 4987890, 5819205, 6207152, 6650520, 6983046, 7758940, 7980624, 9310728, 9975780, 11638410, 13301040, 13966092, 15517880, 17457615, 18621456, 19951560, 23276820, 27932184, 31035760, 34915230, 39903120, 46553640, 55864368, 69830460, 93107280, 139660920, 279321840]

約数ペア:

[(1, 279321840), (2, 139660920), (3, 93107280), (4, 69830460), (5, 55864368), (6, 46553640), (7, 39903120), (8, 34915230), (9, 31035760), (10, 27932184), (12, 23276820), (14, 19951560), (15, 18621456), (16, 17457615), (18, 15517880), (20, 13966092), (21, 13301040), (24, 11638410), (28, 9975780), (30, 9310728), (35, 7980624), (36, 7758940), (40, 6983046), (42, 6650520), (45, 6207152), (48, 5819205), (56, 4987890), (60, 4655364), (63, 4433680), (70, 3990312), (72, 3879470), (80, 3491523), (84, 3325260), (90, 3103576), (105, 2660208), (112, 2493945), (120, 2327682), (126, 2216840), (140, 1995156), (144, 1939735), (157, 1779120), (168, 1662630), (180, 1551788), (210, 1330104), (240, 1163841), (252, 1108420), (280, 997578), (314, 889560), (315, 886736), (336, 831315), (353, 791280), (360, 775894), (420, 665052), (471, 593040), (504, 554210), (560, 498789), (628, 444780), (630, 443368), (706, 395640), (720, 387947), (785, 355824), (840, 332526), (942, 296520), (1008, 277105), (1059, 263760), (1099, 254160), (1256, 222390), (1260, 221684), (1412, 197820), (1413, 197680), (1570, 177912), (1680, 166263), (1765, 158256), (1884, 148260), (2118, 131880), (2198, 127080), (2355, 118608), (2471, 113040), (2512, 111195), (2520, 110842), (2824, 98910), (2826, 98840), (3140, 88956), (3177, 87920), (3297, 84720), (3530, 79128), (3768, 74130), (4236, 65940), (4396, 63540), (4710, 59304), (4942, 56520), (5040, 55421), (5295, 52752), (5495, 50832), (5648, 49455), (5652, 49420), (6280, 44478), (6354, 43960), (6594, 42360), (7060, 39564), (7065, 39536), (7413, 37680), (7536, 37065), (8472, 32970), (8792, 31770), (9420, 29652), (9884, 28260), (9891, 28240), (10590, 26376), (10990, 25416), (11304, 24710), (12355, 22608), (12560, 22239), (12708, 21980), (13188, 21180), (14120, 19782), (14130, 19768), (14826, 18840), (15885, 17584), (16485, 16944)]