139911680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 362976768

約数和(自身を除く): 223065088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 43, 62, 64, 80, 82, 86, 124, 128, 155, 160, 164, 172, 205, 215, 248, 256, 310, 320, 328, 344, 410, 430, 496, 512, 620, 640, 656, 688, 820, 860, 992, 1240, 1271, 1280, 1312, 1333, 1376, 1640, 1720, 1763, 1984, 2480, 2542, 2560, 2624, 2666, 2752, 3280, 3440, 3526, 3968, 4960, 5084, 5248, 5332, 5504, 6355, 6560, 6665, 6880, 7052, 7936, 8815, 9920, 10168, 10496, 10664, 11008, 12710, 13120, 13330, 13760, 14104, 15872, 17630, 19840, 20336, 20992, 21328, 22016, 25420, 26240, 26660, 27520, 28208, 35260, 39680, 40672, 42656, 50840, 52480, 53320, 54653, 55040, 56416, 70520, 79360, 81344, 85312, 101680, 104960, 106640, 109306, 110080, 112832, 141040, 162688, 170624, 203360, 213280, 218612, 225664, 273265, 282080, 325376, 341248, 406720, 426560, 437224, 451328, 546530, 564160, 650752, 682496, 813440, 853120, 874448, 902656, 1093060, 1128320, 1626880, 1706240, 1748896, 2186120, 2256640, 3253760, 3412480, 3497792, 4372240, 4513280, 6995584, 8744480, 13991168, 17488960, 27982336, 34977920, 69955840, 139911680]

約数ペア:

[(1, 139911680), (2, 69955840), (4, 34977920), (5, 27982336), (8, 17488960), (10, 13991168), (16, 8744480), (20, 6995584), (31, 4513280), (32, 4372240), (40, 3497792), (41, 3412480), (43, 3253760), (62, 2256640), (64, 2186120), (80, 1748896), (82, 1706240), (86, 1626880), (124, 1128320), (128, 1093060), (155, 902656), (160, 874448), (164, 853120), (172, 813440), (205, 682496), (215, 650752), (248, 564160), (256, 546530), (310, 451328), (320, 437224), (328, 426560), (344, 406720), (410, 341248), (430, 325376), (496, 282080), (512, 273265), (620, 225664), (640, 218612), (656, 213280), (688, 203360), (820, 170624), (860, 162688), (992, 141040), (1240, 112832), (1271, 110080), (1280, 109306), (1312, 106640), (1333, 104960), (1376, 101680), (1640, 85312), (1720, 81344), (1763, 79360), (1984, 70520), (2480, 56416), (2542, 55040), (2560, 54653), (2624, 53320), (2666, 52480), (2752, 50840), (3280, 42656), (3440, 40672), (3526, 39680), (3968, 35260), (4960, 28208), (5084, 27520), (5248, 26660), (5332, 26240), (5504, 25420), (6355, 22016), (6560, 21328), (6665, 20992), (6880, 20336), (7052, 19840), (7936, 17630), (8815, 15872), (9920, 14104), (10168, 13760), (10496, 13330), (10664, 13120), (11008, 12710)]