216309520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{7883}}^1$

素因数の和:7917

約数の個数: 80

約数和(自身を含む): 586569600

約数和(自身を除く): 370260080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 7883, 13720, 15766, 27440, 31532, 39415, 55181, 63064, 78830, 110362, 126128, 157660, 220724, 275905, 315320, 386267, 441448, 551810, 630640, 772534, 882896, 1103620, 1545068, 1931335, 2207240, 2703869, 3090136, 3862670, 4414480, 5407738, 6180272, 7725340, 10815476, 13519345, 15450680, 21630952, 27038690, 30901360, 43261904, 54077380, 108154760, 216309520]

約数ペア:

[(1, 216309520), (2, 108154760), (4, 54077380), (5, 43261904), (7, 30901360), (8, 27038690), (10, 21630952), (14, 15450680), (16, 13519345), (20, 10815476), (28, 7725340), (35, 6180272), (40, 5407738), (49, 4414480), (56, 3862670), (70, 3090136), (80, 2703869), (98, 2207240), (112, 1931335), (140, 1545068), (196, 1103620), (245, 882896), (280, 772534), (343, 630640), (392, 551810), (490, 441448), (560, 386267), (686, 315320), (784, 275905), (980, 220724), (1372, 157660), (1715, 126128), (1960, 110362), (2744, 78830), (3430, 63064), (3920, 55181), (5488, 39415), (6860, 31532), (7883, 27440), (13720, 15766)]