213697260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5524

約数の個数: 144

約数和(自身を含む): 764854272

約数和(自身を除く): 551157012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5471, 5580, 6510, 7812, 9765, 10942, 13020, 16413, 19530, 21884, 27355, 32826, 38297, 39060, 49239, 54710, 65652, 76594, 82065, 98478, 109420, 114891, 153188, 164130, 169601, 191485, 196956, 229782, 246195, 328260, 339202, 344673, 382970, 459564, 492390, 508803, 574455, 678404, 689346, 765940, 848005, 984780, 1017606, 1148910, 1187207, 1378692, 1526409, 1696010, 1723365, 2035212, 2297820, 2374414, 2544015, 3052818, 3392020, 3446730, 3561621, 4748828, 5088030, 5936035, 6105636, 6893460, 7123242, 7632045, 10176060, 10684863, 11872070, 14246484, 15264090, 17808105, 21369726, 23744140, 30528180, 35616210, 42739452, 53424315, 71232420, 106848630, 213697260]

約数ペア:

[(1, 213697260), (2, 106848630), (3, 71232420), (4, 53424315), (5, 42739452), (6, 35616210), (7, 30528180), (9, 23744140), (10, 21369726), (12, 17808105), (14, 15264090), (15, 14246484), (18, 11872070), (20, 10684863), (21, 10176060), (28, 7632045), (30, 7123242), (31, 6893460), (35, 6105636), (36, 5936035), (42, 5088030), (45, 4748828), (60, 3561621), (62, 3446730), (63, 3392020), (70, 3052818), (84, 2544015), (90, 2374414), (93, 2297820), (105, 2035212), (124, 1723365), (126, 1696010), (140, 1526409), (155, 1378692), (180, 1187207), (186, 1148910), (210, 1017606), (217, 984780), (252, 848005), (279, 765940), (310, 689346), (315, 678404), (372, 574455), (420, 508803), (434, 492390), (465, 459564), (558, 382970), (620, 344673), (630, 339202), (651, 328260), (868, 246195), (930, 229782), (1085, 196956), (1116, 191485), (1260, 169601), (1302, 164130), (1395, 153188), (1860, 114891), (1953, 109420), (2170, 98478), (2604, 82065), (2790, 76594), (3255, 65652), (3906, 54710), (4340, 49239), (5471, 39060), (5580, 38297), (6510, 32826), (7812, 27355), (9765, 21884), (10942, 19530), (13020, 16413)]