77679280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 222557184

約数和(自身を除く): 144877904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 80, 92, 112, 115, 140, 148, 161, 163, 184, 185, 230, 259, 280, 296, 322, 326, 368, 370, 460, 518, 560, 592, 644, 652, 740, 805, 815, 851, 920, 1036, 1141, 1288, 1295, 1304, 1480, 1610, 1630, 1702, 1840, 2072, 2282, 2576, 2590, 2608, 2960, 3220, 3260, 3404, 3749, 4144, 4255, 4564, 5180, 5705, 5957, 6031, 6440, 6520, 6808, 7498, 8510, 9128, 10360, 11410, 11914, 12062, 12880, 13040, 13616, 14996, 17020, 18256, 18745, 20720, 22820, 23828, 24124, 26243, 29785, 29992, 30155, 34040, 37490, 42217, 45640, 47656, 48248, 52486, 59570, 59984, 60310, 68080, 74980, 84434, 91280, 95312, 96496, 104972, 119140, 120620, 131215, 138713, 149960, 168868, 209944, 211085, 238280, 241240, 262430, 277426, 299920, 337736, 419888, 422170, 476560, 482480, 524860, 554852, 675472, 693565, 844340, 970991, 1049720, 1109704, 1387130, 1688680, 1941982, 2099440, 2219408, 2774260, 3377360, 3883964, 4854955, 5548520, 7767928, 9709910, 11097040, 15535856, 19419820, 38839640, 77679280]

約数ペア:

[(1, 77679280), (2, 38839640), (4, 19419820), (5, 15535856), (7, 11097040), (8, 9709910), (10, 7767928), (14, 5548520), (16, 4854955), (20, 3883964), (23, 3377360), (28, 2774260), (35, 2219408), (37, 2099440), (40, 1941982), (46, 1688680), (56, 1387130), (70, 1109704), (74, 1049720), (80, 970991), (92, 844340), (112, 693565), (115, 675472), (140, 554852), (148, 524860), (161, 482480), (163, 476560), (184, 422170), (185, 419888), (230, 337736), (259, 299920), (280, 277426), (296, 262430), (322, 241240), (326, 238280), (368, 211085), (370, 209944), (460, 168868), (518, 149960), (560, 138713), (592, 131215), (644, 120620), (652, 119140), (740, 104972), (805, 96496), (815, 95312), (851, 91280), (920, 84434), (1036, 74980), (1141, 68080), (1288, 60310), (1295, 59984), (1304, 59570), (1480, 52486), (1610, 48248), (1630, 47656), (1702, 45640), (1840, 42217), (2072, 37490), (2282, 34040), (2576, 30155), (2590, 29992), (2608, 29785), (2960, 26243), (3220, 24124), (3260, 23828), (3404, 22820), (3749, 20720), (4144, 18745), (4255, 18256), (4564, 17020), (5180, 14996), (5705, 13616), (5957, 13040), (6031, 12880), (6440, 12062), (6520, 11914), (6808, 11410), (7498, 10360), (8510, 9128)]