420730880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 1019556720

約数和(自身を除く): 598825840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 227, 256, 320, 362, 454, 512, 640, 724, 905, 908, 1024, 1135, 1280, 1448, 1810, 1816, 2048, 2270, 2560, 2896, 3620, 3632, 4540, 5120, 5792, 7240, 7264, 9080, 10240, 11584, 14480, 14528, 18160, 23168, 28960, 29056, 36320, 41087, 46336, 57920, 58112, 72640, 82174, 92672, 115840, 116224, 145280, 164348, 185344, 205435, 231680, 232448, 290560, 328696, 370688, 410870, 463360, 464896, 581120, 657392, 821740, 926720, 1162240, 1314784, 1643480, 1853440, 2324480, 2629568, 3286960, 5259136, 6573920, 10518272, 13147840, 21036544, 26295680, 42073088, 52591360, 84146176, 105182720, 210365440, 420730880]

約数ペア:

[(1, 420730880), (2, 210365440), (4, 105182720), (5, 84146176), (8, 52591360), (10, 42073088), (16, 26295680), (20, 21036544), (32, 13147840), (40, 10518272), (64, 6573920), (80, 5259136), (128, 3286960), (160, 2629568), (181, 2324480), (227, 1853440), (256, 1643480), (320, 1314784), (362, 1162240), (454, 926720), (512, 821740), (640, 657392), (724, 581120), (905, 464896), (908, 463360), (1024, 410870), (1135, 370688), (1280, 328696), (1448, 290560), (1810, 232448), (1816, 231680), (2048, 205435), (2270, 185344), (2560, 164348), (2896, 145280), (3620, 116224), (3632, 115840), (4540, 92672), (5120, 82174), (5792, 72640), (7240, 58112), (7264, 57920), (9080, 46336), (10240, 41087), (11584, 36320), (14480, 29056), (14528, 28960), (18160, 23168)]