51215850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 160168320

約数和(自身を除く): 108952470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 71, 75, 90, 105, 126, 142, 150, 175, 210, 213, 225, 229, 315, 350, 355, 426, 450, 458, 497, 525, 630, 639, 687, 710, 994, 1050, 1065, 1145, 1278, 1374, 1491, 1575, 1603, 1775, 2061, 2130, 2290, 2485, 2982, 3150, 3195, 3206, 3435, 3550, 4122, 4473, 4809, 4970, 5325, 5725, 6390, 6870, 7455, 8015, 8946, 9618, 10305, 10650, 11450, 12425, 14427, 14910, 15975, 16030, 16259, 17175, 20610, 22365, 24045, 24850, 28854, 31950, 32518, 34350, 37275, 40075, 44730, 48090, 48777, 51525, 72135, 74550, 80150, 81295, 97554, 103050, 111825, 113813, 120225, 144270, 146331, 162590, 223650, 227626, 240450, 243885, 292662, 341439, 360675, 406475, 487770, 569065, 682878, 721350, 731655, 812950, 1024317, 1138130, 1219425, 1463310, 1707195, 2048634, 2438850, 2845325, 3414390, 3658275, 5121585, 5690650, 7316550, 8535975, 10243170, 17071950, 25607925, 51215850]

約数ペア:

[(1, 51215850), (2, 25607925), (3, 17071950), (5, 10243170), (6, 8535975), (7, 7316550), (9, 5690650), (10, 5121585), (14, 3658275), (15, 3414390), (18, 2845325), (21, 2438850), (25, 2048634), (30, 1707195), (35, 1463310), (42, 1219425), (45, 1138130), (50, 1024317), (63, 812950), (70, 731655), (71, 721350), (75, 682878), (90, 569065), (105, 487770), (126, 406475), (142, 360675), (150, 341439), (175, 292662), (210, 243885), (213, 240450), (225, 227626), (229, 223650), (315, 162590), (350, 146331), (355, 144270), (426, 120225), (450, 113813), (458, 111825), (497, 103050), (525, 97554), (630, 81295), (639, 80150), (687, 74550), (710, 72135), (994, 51525), (1050, 48777), (1065, 48090), (1145, 44730), (1278, 40075), (1374, 37275), (1491, 34350), (1575, 32518), (1603, 31950), (1775, 28854), (2061, 24850), (2130, 24045), (2290, 22365), (2485, 20610), (2982, 17175), (3150, 16259), (3195, 16030), (3206, 15975), (3435, 14910), (3550, 14427), (4122, 12425), (4473, 11450), (4809, 10650), (4970, 10305), (5325, 9618), (5725, 8946), (6390, 8015), (6870, 7455)]