291681920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 789112800

約数和(自身を除く): 497430880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 83, 85, 95, 128, 136, 152, 160, 166, 170, 190, 272, 289, 304, 320, 323, 332, 340, 380, 415, 544, 578, 608, 640, 646, 664, 680, 760, 830, 1088, 1156, 1216, 1292, 1328, 1360, 1411, 1445, 1520, 1577, 1615, 1660, 2176, 2312, 2432, 2584, 2656, 2720, 2822, 2890, 3040, 3154, 3230, 3320, 4624, 5168, 5312, 5440, 5491, 5644, 5780, 6080, 6308, 6460, 6640, 7055, 7885, 9248, 10336, 10624, 10880, 10982, 11288, 11560, 12160, 12616, 12920, 13280, 14110, 15770, 18496, 20672, 21964, 22576, 23120, 23987, 25232, 25840, 26560, 26809, 27455, 28220, 31540, 36992, 41344, 43928, 45152, 46240, 47974, 50464, 51680, 53120, 53618, 54910, 56440, 63080, 87856, 90304, 92480, 95948, 100928, 103360, 107236, 109820, 112880, 119935, 126160, 134045, 175712, 180608, 184960, 191896, 201856, 206720, 214472, 219640, 225760, 239870, 252320, 268090, 351424, 383792, 428944, 439280, 451520, 455753, 479740, 504640, 536180, 702848, 767584, 857888, 878560, 903040, 911506, 959480, 1009280, 1072360, 1535168, 1715776, 1757120, 1823012, 1918960, 2144720, 2278765, 3070336, 3431552, 3514240, 3646024, 3837920, 4289440, 4557530, 7292048, 7675840, 8578880, 9115060, 14584096, 15351680, 17157760, 18230120, 29168192, 36460240, 58336384, 72920480, 145840960, 291681920]

約数ペア:

[(1, 291681920), (2, 145840960), (4, 72920480), (5, 58336384), (8, 36460240), (10, 29168192), (16, 18230120), (17, 17157760), (19, 15351680), (20, 14584096), (32, 9115060), (34, 8578880), (38, 7675840), (40, 7292048), (64, 4557530), (68, 4289440), (76, 3837920), (80, 3646024), (83, 3514240), (85, 3431552), (95, 3070336), (128, 2278765), (136, 2144720), (152, 1918960), (160, 1823012), (166, 1757120), (170, 1715776), (190, 1535168), (272, 1072360), (289, 1009280), (304, 959480), (320, 911506), (323, 903040), (332, 878560), (340, 857888), (380, 767584), (415, 702848), (544, 536180), (578, 504640), (608, 479740), (640, 455753), (646, 451520), (664, 439280), (680, 428944), (760, 383792), (830, 351424), (1088, 268090), (1156, 252320), (1216, 239870), (1292, 225760), (1328, 219640), (1360, 214472), (1411, 206720), (1445, 201856), (1520, 191896), (1577, 184960), (1615, 180608), (1660, 175712), (2176, 134045), (2312, 126160), (2432, 119935), (2584, 112880), (2656, 109820), (2720, 107236), (2822, 103360), (2890, 100928), (3040, 95948), (3154, 92480), (3230, 90304), (3320, 87856), (4624, 63080), (5168, 56440), (5312, 54910), (5440, 53618), (5491, 53120), (5644, 51680), (5780, 50464), (6080, 47974), (6308, 46240), (6460, 45152), (6640, 43928), (7055, 41344), (7885, 36992), (9248, 31540), (10336, 28220), (10624, 27455), (10880, 26809), (10982, 26560), (11288, 25840), (11560, 25232), (12160, 23987), (12616, 23120), (12920, 22576), (13280, 21964), (14110, 20672), (15770, 18496)]