277738720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 787691520

約数和(自身を除く): 509952800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 70, 73, 79, 80, 86, 112, 140, 146, 158, 160, 172, 215, 224, 280, 292, 301, 316, 344, 365, 395, 430, 511, 553, 560, 584, 602, 632, 688, 730, 790, 860, 1022, 1106, 1120, 1168, 1204, 1264, 1376, 1460, 1505, 1580, 1720, 2044, 2212, 2336, 2408, 2528, 2555, 2765, 2920, 3010, 3139, 3160, 3397, 3440, 4088, 4424, 4816, 5110, 5530, 5767, 5840, 6020, 6278, 6320, 6794, 6880, 8176, 8848, 9632, 10220, 11060, 11534, 11680, 12040, 12556, 12640, 13588, 15695, 16352, 16985, 17696, 20440, 21973, 22120, 23068, 23779, 24080, 25112, 27176, 28835, 31390, 33970, 40369, 40880, 43946, 44240, 46136, 47558, 48160, 50224, 54352, 57670, 62780, 67940, 80738, 81760, 87892, 88480, 92272, 95116, 100448, 108704, 109865, 115340, 118895, 125560, 135880, 161476, 175784, 184544, 190232, 201845, 219730, 230680, 237790, 247981, 251120, 271760, 322952, 351568, 380464, 403690, 439460, 461360, 475580, 495962, 502240, 543520, 645904, 703136, 760928, 807380, 878920, 922720, 951160, 991924, 1239905, 1291808, 1614760, 1735867, 1757840, 1902320, 1983848, 2479810, 3229520, 3471734, 3515680, 3804640, 3967696, 4959620, 6459040, 6943468, 7935392, 8679335, 9919240, 13886936, 17358670, 19838480, 27773872, 34717340, 39676960, 55547744, 69434680, 138869360, 277738720]

約数ペア:

[(1, 277738720), (2, 138869360), (4, 69434680), (5, 55547744), (7, 39676960), (8, 34717340), (10, 27773872), (14, 19838480), (16, 17358670), (20, 13886936), (28, 9919240), (32, 8679335), (35, 7935392), (40, 6943468), (43, 6459040), (56, 4959620), (70, 3967696), (73, 3804640), (79, 3515680), (80, 3471734), (86, 3229520), (112, 2479810), (140, 1983848), (146, 1902320), (158, 1757840), (160, 1735867), (172, 1614760), (215, 1291808), (224, 1239905), (280, 991924), (292, 951160), (301, 922720), (316, 878920), (344, 807380), (365, 760928), (395, 703136), (430, 645904), (511, 543520), (553, 502240), (560, 495962), (584, 475580), (602, 461360), (632, 439460), (688, 403690), (730, 380464), (790, 351568), (860, 322952), (1022, 271760), (1106, 251120), (1120, 247981), (1168, 237790), (1204, 230680), (1264, 219730), (1376, 201845), (1460, 190232), (1505, 184544), (1580, 175784), (1720, 161476), (2044, 135880), (2212, 125560), (2336, 118895), (2408, 115340), (2528, 109865), (2555, 108704), (2765, 100448), (2920, 95116), (3010, 92272), (3139, 88480), (3160, 87892), (3397, 81760), (3440, 80738), (4088, 67940), (4424, 62780), (4816, 57670), (5110, 54352), (5530, 50224), (5767, 48160), (5840, 47558), (6020, 46136), (6278, 44240), (6320, 43946), (6794, 40880), (6880, 40369), (8176, 33970), (8848, 31390), (9632, 28835), (10220, 27176), (11060, 25112), (11534, 24080), (11680, 23779), (12040, 23068), (12556, 22120), (12640, 21973), (13588, 20440), (15695, 17696), (16352, 16985)]