219975840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 288

約数和(自身を含む): 869581440

約数和(自身を除く): 649605600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 139, 140, 144, 157, 160, 168, 180, 210, 224, 240, 252, 278, 280, 288, 314, 315, 336, 360, 417, 420, 471, 480, 504, 556, 560, 628, 630, 672, 695, 720, 785, 834, 840, 942, 973, 1008, 1099, 1112, 1120, 1251, 1256, 1260, 1390, 1413, 1440, 1570, 1668, 1680, 1884, 1946, 2016, 2085, 2198, 2224, 2355, 2502, 2512, 2520, 2780, 2826, 2919, 3140, 3297, 3336, 3360, 3768, 3892, 4170, 4396, 4448, 4710, 4865, 5004, 5024, 5040, 5495, 5560, 5652, 5838, 6255, 6280, 6594, 6672, 7065, 7536, 7784, 8340, 8757, 8792, 9420, 9730, 9891, 10008, 10080, 10990, 11120, 11304, 11676, 12510, 12560, 13188, 13344, 14130, 14595, 15072, 15568, 16485, 16680, 17514, 17584, 18840, 19460, 19782, 20016, 21823, 21980, 22240, 22608, 23352, 25020, 25120, 26376, 28260, 29190, 31136, 32970, 33360, 35028, 35168, 37680, 38920, 39564, 40032, 43646, 43785, 43960, 45216, 46704, 49455, 50040, 52752, 56520, 58380, 65469, 65940, 66720, 70056, 75360, 77840, 79128, 87292, 87570, 87920, 93408, 98910, 100080, 105504, 109115, 113040, 116760, 130938, 131880, 140112, 152761, 155680, 158256, 174584, 175140, 175840, 196407, 197820, 200160, 218230, 226080, 233520, 261876, 263760, 280224, 305522, 316512, 327345, 349168, 350280, 392814, 395640, 436460, 458283, 467040, 523752, 527520, 611044, 654690, 698336, 700560, 763805, 785628, 791280, 872920, 916566, 982035, 1047504, 1222088, 1309380, 1374849, 1401120, 1527610, 1571256, 1582560, 1745840, 1833132, 1964070, 2095008, 2291415, 2444176, 2618760, 2749698, 3055220, 3142512, 3491680, 3666264, 3928140, 4582830, 4888352, 5237520, 5499396, 6110440, 6285024, 6874245, 7332528, 7856280, 9165660, 10475040, 10998792, 12220880, 13748490, 14665056, 15712560, 18331320, 21997584, 24441760, 27496980, 31425120, 36662640, 43995168, 54993960, 73325280, 109987920, 219975840]

約数ペア:

[(1, 219975840), (2, 109987920), (3, 73325280), (4, 54993960), (5, 43995168), (6, 36662640), (7, 31425120), (8, 27496980), (9, 24441760), (10, 21997584), (12, 18331320), (14, 15712560), (15, 14665056), (16, 13748490), (18, 12220880), (20, 10998792), (21, 10475040), (24, 9165660), (28, 7856280), (30, 7332528), (32, 6874245), (35, 6285024), (36, 6110440), (40, 5499396), (42, 5237520), (45, 4888352), (48, 4582830), (56, 3928140), (60, 3666264), (63, 3491680), (70, 3142512), (72, 3055220), (80, 2749698), (84, 2618760), (90, 2444176), (96, 2291415), (105, 2095008), (112, 1964070), (120, 1833132), (126, 1745840), (139, 1582560), (140, 1571256), (144, 1527610), (157, 1401120), (160, 1374849), (168, 1309380), (180, 1222088), (210, 1047504), (224, 982035), (240, 916566), (252, 872920), (278, 791280), (280, 785628), (288, 763805), (314, 700560), (315, 698336), (336, 654690), (360, 611044), (417, 527520), (420, 523752), (471, 467040), (480, 458283), (504, 436460), (556, 395640), (560, 392814), (628, 350280), (630, 349168), (672, 327345), (695, 316512), (720, 305522), (785, 280224), (834, 263760), (840, 261876), (942, 233520), (973, 226080), (1008, 218230), (1099, 200160), (1112, 197820), (1120, 196407), (1251, 175840), (1256, 175140), (1260, 174584), (1390, 158256), (1413, 155680), (1440, 152761), (1570, 140112), (1668, 131880), (1680, 130938), (1884, 116760), (1946, 113040), (2016, 109115), (2085, 105504), (2198, 100080), (2224, 98910), (2355, 93408), (2502, 87920), (2512, 87570), (2520, 87292), (2780, 79128), (2826, 77840), (2919, 75360), (3140, 70056), (3297, 66720), (3336, 65940), (3360, 65469), (3768, 58380), (3892, 56520), (4170, 52752), (4396, 50040), (4448, 49455), (4710, 46704), (4865, 45216), (5004, 43960), (5024, 43785), (5040, 43646), (5495, 40032), (5560, 39564), (5652, 38920), (5838, 37680), (6255, 35168), (6280, 35028), (6594, 33360), (6672, 32970), (7065, 31136), (7536, 29190), (7784, 28260), (8340, 26376), (8757, 25120), (8792, 25020), (9420, 23352), (9730, 22608), (9891, 22240), (10008, 21980), (10080, 21823), (10990, 20016), (11120, 19782), (11304, 19460), (11676, 18840), (12510, 17584), (12560, 17514), (13188, 16680), (13344, 16485), (14130, 15568), (14595, 15072)]