644657616

素因数分解:

$2^4\times 3^9\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 200

約数和(自身を含む): 1976927040

約数和(自身を除く): 1332269424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 89, 92, 108, 138, 144, 162, 178, 184, 207, 216, 243, 267, 276, 324, 356, 368, 414, 432, 486, 534, 552, 621, 648, 712, 729, 801, 828, 972, 1068, 1104, 1242, 1296, 1424, 1458, 1602, 1656, 1863, 1944, 2047, 2136, 2187, 2403, 2484, 2916, 3204, 3312, 3726, 3888, 4094, 4272, 4374, 4806, 4968, 5589, 5832, 6141, 6408, 6561, 7209, 7452, 8188, 8748, 9612, 9936, 11178, 11664, 12282, 12816, 13122, 14418, 14904, 16376, 16767, 17496, 18423, 19224, 19683, 21627, 22356, 24564, 26244, 28836, 29808, 32752, 33534, 34992, 36846, 38448, 39366, 43254, 44712, 49128, 50301, 52488, 55269, 57672, 64881, 67068, 73692, 78732, 86508, 89424, 98256, 100602, 104976, 110538, 115344, 129762, 134136, 147384, 150903, 157464, 165807, 173016, 194643, 201204, 221076, 259524, 268272, 294768, 301806, 314928, 331614, 346032, 389286, 402408, 442152, 452709, 497421, 519048, 583929, 603612, 663228, 778572, 804816, 884304, 905418, 994842, 1038096, 1167858, 1207224, 1326456, 1492263, 1557144, 1751787, 1810836, 1989684, 2335716, 2414448, 2652912, 2984526, 3114288, 3503574, 3621672, 3979368, 4476789, 4671432, 5969052, 7007148, 7243344, 7958736, 8953578, 9342864, 11938104, 13430367, 14014296, 17907156, 23876208, 26860734, 28028592, 35814312, 40291101, 53721468, 71628624, 80582202, 107442936, 161164404, 214885872, 322328808, 644657616]

約数ペア:

[(1, 644657616), (2, 322328808), (3, 214885872), (4, 161164404), (6, 107442936), (8, 80582202), (9, 71628624), (12, 53721468), (16, 40291101), (18, 35814312), (23, 28028592), (24, 26860734), (27, 23876208), (36, 17907156), (46, 14014296), (48, 13430367), (54, 11938104), (69, 9342864), (72, 8953578), (81, 7958736), (89, 7243344), (92, 7007148), (108, 5969052), (138, 4671432), (144, 4476789), (162, 3979368), (178, 3621672), (184, 3503574), (207, 3114288), (216, 2984526), (243, 2652912), (267, 2414448), (276, 2335716), (324, 1989684), (356, 1810836), (368, 1751787), (414, 1557144), (432, 1492263), (486, 1326456), (534, 1207224), (552, 1167858), (621, 1038096), (648, 994842), (712, 905418), (729, 884304), (801, 804816), (828, 778572), (972, 663228), (1068, 603612), (1104, 583929), (1242, 519048), (1296, 497421), (1424, 452709), (1458, 442152), (1602, 402408), (1656, 389286), (1863, 346032), (1944, 331614), (2047, 314928), (2136, 301806), (2187, 294768), (2403, 268272), (2484, 259524), (2916, 221076), (3204, 201204), (3312, 194643), (3726, 173016), (3888, 165807), (4094, 157464), (4272, 150903), (4374, 147384), (4806, 134136), (4968, 129762), (5589, 115344), (5832, 110538), (6141, 104976), (6408, 100602), (6561, 98256), (7209, 89424), (7452, 86508), (8188, 78732), (8748, 73692), (9612, 67068), (9936, 64881), (11178, 57672), (11664, 55269), (12282, 52488), (12816, 50301), (13122, 49128), (14418, 44712), (14904, 43254), (16376, 39366), (16767, 38448), (17496, 36846), (18423, 34992), (19224, 33534), (19683, 32752), (21627, 29808), (22356, 28836), (24564, 26244)]