256652760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1290

約数の個数: 256

約数和(自身を含む): 998323200

約数和(自身を除く): 741670440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1237, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2184, 2280, 2470, 2474, 2660, 2730, 2964, 3192, 3458, 3640, 3705, 3711, 3990, 4940, 4948, 5187, 5320, 5460, 5928, 6185, 6916, 7410, 7422, 7980, 8645, 8659, 9880, 9896, 10374, 10920, 12370, 13832, 14820, 14844, 15960, 16081, 17290, 17318, 18555, 20748, 23503, 24740, 25935, 25977, 29640, 29688, 32162, 34580, 34636, 37110, 41496, 43295, 47006, 48243, 49480, 51870, 51954, 64324, 69160, 69272, 70509, 74220, 80405, 86590, 94012, 96486, 103740, 103908, 112567, 117515, 128648, 129885, 141018, 148440, 160810, 164521, 173180, 188024, 192972, 207480, 207816, 225134, 235030, 241215, 259770, 282036, 305539, 321620, 329042, 337701, 346360, 352545, 385944, 450268, 470060, 482430, 493563, 519540, 562835, 564072, 611078, 643240, 658084, 675402, 705090, 822605, 900536, 916617, 940120, 964860, 987126, 1039080, 1125670, 1222156, 1316168, 1350804, 1410180, 1527695, 1645210, 1688505, 1833234, 1929720, 1974252, 2138773, 2251340, 2444312, 2467815, 2701608, 2820360, 3055390, 3290420, 3377010, 3666468, 3948504, 4277546, 4502680, 4583085, 4935630, 6110780, 6416319, 6580840, 6754020, 7332936, 8555092, 9166170, 9871260, 10693865, 12221560, 12832638, 13508040, 17110184, 18332340, 19742520, 21387730, 25665276, 32081595, 36664680, 42775460, 51330552, 64163190, 85550920, 128326380, 256652760]

約数ペア:

[(1, 256652760), (2, 128326380), (3, 85550920), (4, 64163190), (5, 51330552), (6, 42775460), (7, 36664680), (8, 32081595), (10, 25665276), (12, 21387730), (13, 19742520), (14, 18332340), (15, 17110184), (19, 13508040), (20, 12832638), (21, 12221560), (24, 10693865), (26, 9871260), (28, 9166170), (30, 8555092), (35, 7332936), (38, 6754020), (39, 6580840), (40, 6416319), (42, 6110780), (52, 4935630), (56, 4583085), (57, 4502680), (60, 4277546), (65, 3948504), (70, 3666468), (76, 3377010), (78, 3290420), (84, 3055390), (91, 2820360), (95, 2701608), (104, 2467815), (105, 2444312), (114, 2251340), (120, 2138773), (130, 1974252), (133, 1929720), (140, 1833234), (152, 1688505), (156, 1645210), (168, 1527695), (182, 1410180), (190, 1350804), (195, 1316168), (210, 1222156), (228, 1125670), (247, 1039080), (260, 987126), (266, 964860), (273, 940120), (280, 916617), (285, 900536), (312, 822605), (364, 705090), (380, 675402), (390, 658084), (399, 643240), (420, 611078), (455, 564072), (456, 562835), (494, 519540), (520, 493563), (532, 482430), (546, 470060), (570, 450268), (665, 385944), (728, 352545), (741, 346360), (760, 337701), (780, 329042), (798, 321620), (840, 305539), (910, 282036), (988, 259770), (1064, 241215), (1092, 235030), (1140, 225134), (1235, 207816), (1237, 207480), (1330, 192972), (1365, 188024), (1482, 173180), (1560, 164521), (1596, 160810), (1729, 148440), (1820, 141018), (1976, 129885), (1995, 128648), (2184, 117515), (2280, 112567), (2470, 103908), (2474, 103740), (2660, 96486), (2730, 94012), (2964, 86590), (3192, 80405), (3458, 74220), (3640, 70509), (3705, 69272), (3711, 69160), (3990, 64324), (4940, 51954), (4948, 51870), (5187, 49480), (5320, 48243), (5460, 47006), (5928, 43295), (6185, 41496), (6916, 37110), (7410, 34636), (7422, 34580), (7980, 32162), (8645, 29688), (8659, 29640), (9880, 25977), (9896, 25935), (10374, 24740), (10920, 23503), (12370, 20748), (13832, 18555), (14820, 17318), (14844, 17290), (15960, 16081)]