71158780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 203212800

約数和(自身を除く): 132054020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 41, 44, 46, 49, 55, 70, 77, 82, 92, 98, 110, 115, 140, 154, 161, 164, 196, 205, 220, 230, 245, 253, 287, 308, 322, 343, 385, 410, 451, 460, 490, 506, 539, 574, 644, 686, 770, 805, 820, 902, 943, 980, 1012, 1078, 1127, 1148, 1265, 1372, 1435, 1540, 1610, 1715, 1771, 1804, 1886, 2009, 2156, 2254, 2255, 2530, 2695, 2870, 3157, 3220, 3430, 3542, 3772, 3773, 4018, 4508, 4510, 4715, 5060, 5390, 5635, 5740, 6314, 6601, 6860, 7084, 7546, 7889, 8036, 8855, 9020, 9430, 10045, 10373, 10780, 11270, 12397, 12628, 13202, 14063, 15092, 15778, 15785, 17710, 18860, 18865, 20090, 20746, 22099, 22540, 24794, 26404, 28126, 31556, 31570, 33005, 35420, 37730, 39445, 40180, 41492, 44198, 46207, 49588, 51865, 56252, 61985, 63140, 66010, 70315, 72611, 75460, 78890, 86779, 88396, 92414, 103730, 110495, 123970, 132020, 140630, 145222, 154693, 157780, 173558, 184828, 207460, 220990, 231035, 247940, 281260, 290444, 309386, 323449, 347116, 363055, 433895, 441980, 462070, 508277, 618772, 646898, 726110, 773465, 867790, 924140, 1016554, 1293796, 1452220, 1546930, 1617245, 1735580, 2033108, 2541385, 3093860, 3234490, 3557939, 5082770, 6468980, 7115878, 10165540, 14231756, 17789695, 35579390, 71158780]

約数ペア:

[(1, 71158780), (2, 35579390), (4, 17789695), (5, 14231756), (7, 10165540), (10, 7115878), (11, 6468980), (14, 5082770), (20, 3557939), (22, 3234490), (23, 3093860), (28, 2541385), (35, 2033108), (41, 1735580), (44, 1617245), (46, 1546930), (49, 1452220), (55, 1293796), (70, 1016554), (77, 924140), (82, 867790), (92, 773465), (98, 726110), (110, 646898), (115, 618772), (140, 508277), (154, 462070), (161, 441980), (164, 433895), (196, 363055), (205, 347116), (220, 323449), (230, 309386), (245, 290444), (253, 281260), (287, 247940), (308, 231035), (322, 220990), (343, 207460), (385, 184828), (410, 173558), (451, 157780), (460, 154693), (490, 145222), (506, 140630), (539, 132020), (574, 123970), (644, 110495), (686, 103730), (770, 92414), (805, 88396), (820, 86779), (902, 78890), (943, 75460), (980, 72611), (1012, 70315), (1078, 66010), (1127, 63140), (1148, 61985), (1265, 56252), (1372, 51865), (1435, 49588), (1540, 46207), (1610, 44198), (1715, 41492), (1771, 40180), (1804, 39445), (1886, 37730), (2009, 35420), (2156, 33005), (2254, 31570), (2255, 31556), (2530, 28126), (2695, 26404), (2870, 24794), (3157, 22540), (3220, 22099), (3430, 20746), (3542, 20090), (3772, 18865), (3773, 18860), (4018, 17710), (4508, 15785), (4510, 15778), (4715, 15092), (5060, 14063), (5390, 13202), (5635, 12628), (5740, 12397), (6314, 11270), (6601, 10780), (6860, 10373), (7084, 10045), (7546, 9430), (7889, 9020), (8036, 8855)]