66943840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^3\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 169676640

約数和(自身を除く): 102732800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 361, 380, 488, 608, 610, 722, 760, 976, 1159, 1220, 1444, 1520, 1805, 1952, 2318, 2440, 2888, 3040, 3610, 4636, 4880, 5776, 5795, 6859, 7220, 9272, 9760, 11552, 11590, 13718, 14440, 18544, 22021, 23180, 27436, 28880, 34295, 37088, 44042, 46360, 54872, 57760, 68590, 88084, 92720, 109744, 110105, 137180, 176168, 185440, 219488, 220210, 274360, 352336, 418399, 440420, 548720, 704672, 836798, 880840, 1097440, 1673596, 1761680, 2091995, 3347192, 3523360, 4183990, 6694384, 8367980, 13388768, 16735960, 33471920, 66943840]

約数ペア:

[(1, 66943840), (2, 33471920), (4, 16735960), (5, 13388768), (8, 8367980), (10, 6694384), (16, 4183990), (19, 3523360), (20, 3347192), (32, 2091995), (38, 1761680), (40, 1673596), (61, 1097440), (76, 880840), (80, 836798), (95, 704672), (122, 548720), (152, 440420), (160, 418399), (190, 352336), (244, 274360), (304, 220210), (305, 219488), (361, 185440), (380, 176168), (488, 137180), (608, 110105), (610, 109744), (722, 92720), (760, 88084), (976, 68590), (1159, 57760), (1220, 54872), (1444, 46360), (1520, 44042), (1805, 37088), (1952, 34295), (2318, 28880), (2440, 27436), (2888, 23180), (3040, 22021), (3610, 18544), (4636, 14440), (4880, 13718), (5776, 11590), (5795, 11552), (6859, 9760), (7220, 9272)]