81076380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 288

約数和(自身を含む): 303367680

約数和(自身を除く): 222291300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 49, 55, 60, 66, 69, 70, 77, 84, 92, 98, 105, 109, 110, 115, 132, 138, 140, 147, 154, 161, 165, 196, 210, 218, 220, 230, 231, 245, 253, 276, 294, 308, 322, 327, 330, 345, 385, 420, 436, 460, 462, 483, 490, 506, 539, 545, 588, 644, 654, 660, 690, 735, 759, 763, 770, 805, 924, 966, 980, 1012, 1078, 1090, 1127, 1155, 1199, 1265, 1308, 1380, 1470, 1518, 1526, 1540, 1610, 1617, 1635, 1771, 1932, 2156, 2180, 2254, 2289, 2310, 2398, 2415, 2507, 2530, 2695, 2940, 3036, 3052, 3220, 3234, 3270, 3381, 3542, 3597, 3795, 3815, 4508, 4578, 4620, 4796, 4830, 5014, 5060, 5313, 5341, 5390, 5635, 5995, 6468, 6540, 6762, 7084, 7194, 7521, 7590, 7630, 8085, 8393, 8855, 9156, 9660, 10028, 10626, 10682, 10780, 11270, 11445, 11990, 12397, 12535, 13524, 14388, 15042, 15180, 15260, 16023, 16170, 16786, 16905, 17549, 17710, 17985, 21252, 21364, 22540, 22890, 23980, 24794, 25070, 25179, 26565, 26705, 27577, 30084, 32046, 32340, 33572, 33810, 35098, 35420, 35970, 37191, 37605, 41965, 45780, 49588, 50140, 50358, 52647, 53130, 53410, 55154, 58751, 61985, 64092, 67620, 70196, 71940, 74382, 75210, 80115, 82731, 83930, 87745, 100716, 105294, 106260, 106820, 110308, 117502, 122843, 123970, 125895, 137885, 148764, 150420, 160230, 165462, 167860, 175490, 176253, 185955, 193039, 210588, 235004, 245686, 247940, 251790, 263235, 275770, 293755, 320460, 330924, 350980, 352506, 368529, 371910, 386078, 413655, 491372, 503580, 526470, 551540, 579117, 587510, 614215, 705012, 737058, 743820, 772156, 827310, 881265, 965195, 1052940, 1158234, 1175020, 1228430, 1351273, 1474116, 1654620, 1762530, 1842645, 1930390, 2316468, 2456860, 2702546, 2895585, 3525060, 3685290, 3860780, 4053819, 5405092, 5791170, 6756365, 7370580, 8107638, 11582340, 13512730, 16215276, 20269095, 27025460, 40538190, 81076380]

約数ペア:

[(1, 81076380), (2, 40538190), (3, 27025460), (4, 20269095), (5, 16215276), (6, 13512730), (7, 11582340), (10, 8107638), (11, 7370580), (12, 6756365), (14, 5791170), (15, 5405092), (20, 4053819), (21, 3860780), (22, 3685290), (23, 3525060), (28, 2895585), (30, 2702546), (33, 2456860), (35, 2316468), (42, 1930390), (44, 1842645), (46, 1762530), (49, 1654620), (55, 1474116), (60, 1351273), (66, 1228430), (69, 1175020), (70, 1158234), (77, 1052940), (84, 965195), (92, 881265), (98, 827310), (105, 772156), (109, 743820), (110, 737058), (115, 705012), (132, 614215), (138, 587510), (140, 579117), (147, 551540), (154, 526470), (161, 503580), (165, 491372), (196, 413655), (210, 386078), (218, 371910), (220, 368529), (230, 352506), (231, 350980), (245, 330924), (253, 320460), (276, 293755), (294, 275770), (308, 263235), (322, 251790), (327, 247940), (330, 245686), (345, 235004), (385, 210588), (420, 193039), (436, 185955), (460, 176253), (462, 175490), (483, 167860), (490, 165462), (506, 160230), (539, 150420), (545, 148764), (588, 137885), (644, 125895), (654, 123970), (660, 122843), (690, 117502), (735, 110308), (759, 106820), (763, 106260), (770, 105294), (805, 100716), (924, 87745), (966, 83930), (980, 82731), (1012, 80115), (1078, 75210), (1090, 74382), (1127, 71940), (1155, 70196), (1199, 67620), (1265, 64092), (1308, 61985), (1380, 58751), (1470, 55154), (1518, 53410), (1526, 53130), (1540, 52647), (1610, 50358), (1617, 50140), (1635, 49588), (1771, 45780), (1932, 41965), (2156, 37605), (2180, 37191), (2254, 35970), (2289, 35420), (2310, 35098), (2398, 33810), (2415, 33572), (2507, 32340), (2530, 32046), (2695, 30084), (2940, 27577), (3036, 26705), (3052, 26565), (3220, 25179), (3234, 25070), (3270, 24794), (3381, 23980), (3542, 22890), (3597, 22540), (3795, 21364), (3815, 21252), (4508, 17985), (4578, 17710), (4620, 17549), (4796, 16905), (4830, 16786), (5014, 16170), (5060, 16023), (5313, 15260), (5341, 15180), (5390, 15042), (5635, 14388), (5995, 13524), (6468, 12535), (6540, 12397), (6762, 11990), (7084, 11445), (7194, 11270), (7521, 10780), (7590, 10682), (7630, 10626), (8085, 10028), (8393, 9660), (8855, 9156)]