77313280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:85

約数の個数: 216

約数和(自身を含む): 225902880

約数和(自身を除く): 148589600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 32, 34, 38, 40, 44, 55, 64, 68, 76, 80, 85, 88, 95, 110, 128, 136, 152, 160, 170, 176, 187, 190, 209, 220, 256, 272, 289, 304, 320, 323, 340, 352, 374, 380, 418, 440, 544, 578, 608, 640, 646, 680, 704, 748, 760, 836, 880, 935, 1045, 1088, 1156, 1216, 1280, 1292, 1360, 1408, 1445, 1496, 1520, 1615, 1672, 1760, 1870, 2090, 2176, 2312, 2432, 2584, 2720, 2816, 2890, 2992, 3040, 3179, 3230, 3344, 3520, 3553, 3740, 4180, 4352, 4624, 4864, 5168, 5440, 5491, 5780, 5984, 6080, 6358, 6460, 6688, 7040, 7106, 7480, 8360, 9248, 10336, 10880, 10982, 11560, 11968, 12160, 12716, 12920, 13376, 14080, 14212, 14960, 15895, 16720, 17765, 18496, 20672, 21760, 21964, 23120, 23936, 24320, 25432, 25840, 26752, 27455, 28424, 29920, 31790, 33440, 35530, 36992, 41344, 43928, 46240, 47872, 50864, 51680, 53504, 54910, 56848, 59840, 60401, 63580, 66880, 71060, 73984, 82688, 87856, 92480, 101728, 103360, 109820, 113696, 119680, 120802, 127160, 133760, 142120, 175712, 184960, 203456, 206720, 219640, 227392, 239360, 241604, 254320, 267520, 284240, 302005, 351424, 369920, 406912, 413440, 439280, 454784, 483208, 508640, 568480, 604010, 702848, 813824, 878560, 909568, 966416, 1017280, 1136960, 1208020, 1405696, 1757120, 1932832, 2034560, 2273920, 2416040, 3514240, 3865664, 4069120, 4547840, 4832080, 7028480, 7731328, 9664160, 15462656, 19328320, 38656640, 77313280]

約数ペア:

[(1, 77313280), (2, 38656640), (4, 19328320), (5, 15462656), (8, 9664160), (10, 7731328), (11, 7028480), (16, 4832080), (17, 4547840), (19, 4069120), (20, 3865664), (22, 3514240), (32, 2416040), (34, 2273920), (38, 2034560), (40, 1932832), (44, 1757120), (55, 1405696), (64, 1208020), (68, 1136960), (76, 1017280), (80, 966416), (85, 909568), (88, 878560), (95, 813824), (110, 702848), (128, 604010), (136, 568480), (152, 508640), (160, 483208), (170, 454784), (176, 439280), (187, 413440), (190, 406912), (209, 369920), (220, 351424), (256, 302005), (272, 284240), (289, 267520), (304, 254320), (320, 241604), (323, 239360), (340, 227392), (352, 219640), (374, 206720), (380, 203456), (418, 184960), (440, 175712), (544, 142120), (578, 133760), (608, 127160), (640, 120802), (646, 119680), (680, 113696), (704, 109820), (748, 103360), (760, 101728), (836, 92480), (880, 87856), (935, 82688), (1045, 73984), (1088, 71060), (1156, 66880), (1216, 63580), (1280, 60401), (1292, 59840), (1360, 56848), (1408, 54910), (1445, 53504), (1496, 51680), (1520, 50864), (1615, 47872), (1672, 46240), (1760, 43928), (1870, 41344), (2090, 36992), (2176, 35530), (2312, 33440), (2432, 31790), (2584, 29920), (2720, 28424), (2816, 27455), (2890, 26752), (2992, 25840), (3040, 25432), (3179, 24320), (3230, 23936), (3344, 23120), (3520, 21964), (3553, 21760), (3740, 20672), (4180, 18496), (4352, 17765), (4624, 16720), (4864, 15895), (5168, 14960), (5440, 14212), (5491, 14080), (5780, 13376), (5984, 12920), (6080, 12716), (6358, 12160), (6460, 11968), (6688, 11560), (7040, 10982), (7106, 10880), (7480, 10336), (8360, 9248)]