80198240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 220631040

約数和(自身を除く): 140432800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 31, 32, 37, 38, 40, 46, 62, 74, 76, 80, 92, 95, 115, 124, 148, 152, 155, 160, 184, 185, 190, 230, 248, 296, 304, 310, 368, 370, 380, 437, 460, 496, 589, 592, 608, 620, 703, 713, 736, 740, 760, 851, 874, 920, 992, 1147, 1178, 1184, 1240, 1406, 1426, 1480, 1520, 1702, 1748, 1840, 2185, 2294, 2356, 2480, 2812, 2852, 2945, 2960, 3040, 3404, 3496, 3515, 3565, 3680, 4255, 4370, 4588, 4712, 4960, 5624, 5704, 5735, 5890, 5920, 6808, 6992, 7030, 7130, 8510, 8740, 9176, 9424, 11248, 11408, 11470, 11780, 13547, 13616, 13984, 14060, 14260, 16169, 17020, 17480, 18352, 18848, 21793, 22496, 22816, 22940, 23560, 26381, 27094, 27232, 28120, 28520, 32338, 34040, 34960, 36704, 43586, 45880, 47120, 52762, 54188, 56240, 57040, 64676, 67735, 68080, 69920, 80845, 87172, 91760, 94240, 105524, 108376, 108965, 112480, 114080, 129352, 131905, 135470, 136160, 161690, 174344, 183520, 211048, 216752, 217930, 258704, 263810, 270940, 323380, 348688, 422096, 433504, 435860, 501239, 517408, 527620, 541880, 646760, 697376, 844192, 871720, 1002478, 1055240, 1083760, 1293520, 1743440, 2004956, 2110480, 2167520, 2506195, 2587040, 3486880, 4009912, 4220960, 5012390, 8019824, 10024780, 16039648, 20049560, 40099120, 80198240]

約数ペア:

[(1, 80198240), (2, 40099120), (4, 20049560), (5, 16039648), (8, 10024780), (10, 8019824), (16, 5012390), (19, 4220960), (20, 4009912), (23, 3486880), (31, 2587040), (32, 2506195), (37, 2167520), (38, 2110480), (40, 2004956), (46, 1743440), (62, 1293520), (74, 1083760), (76, 1055240), (80, 1002478), (92, 871720), (95, 844192), (115, 697376), (124, 646760), (148, 541880), (152, 527620), (155, 517408), (160, 501239), (184, 435860), (185, 433504), (190, 422096), (230, 348688), (248, 323380), (296, 270940), (304, 263810), (310, 258704), (368, 217930), (370, 216752), (380, 211048), (437, 183520), (460, 174344), (496, 161690), (589, 136160), (592, 135470), (608, 131905), (620, 129352), (703, 114080), (713, 112480), (736, 108965), (740, 108376), (760, 105524), (851, 94240), (874, 91760), (920, 87172), (992, 80845), (1147, 69920), (1178, 68080), (1184, 67735), (1240, 64676), (1406, 57040), (1426, 56240), (1480, 54188), (1520, 52762), (1702, 47120), (1748, 45880), (1840, 43586), (2185, 36704), (2294, 34960), (2356, 34040), (2480, 32338), (2812, 28520), (2852, 28120), (2945, 27232), (2960, 27094), (3040, 26381), (3404, 23560), (3496, 22940), (3515, 22816), (3565, 22496), (3680, 21793), (4255, 18848), (4370, 18352), (4588, 17480), (4712, 17020), (4960, 16169), (5624, 14260), (5704, 14060), (5735, 13984), (5890, 13616), (5920, 13547), (6808, 11780), (6992, 11470), (7030, 11408), (7130, 11248), (8510, 9424), (8740, 9176)]