817916820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 2800482048

約数和(自身を除く): 1982565228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 73, 74, 84, 98, 103, 105, 111, 140, 146, 147, 148, 185, 196, 206, 210, 219, 222, 245, 259, 292, 294, 309, 365, 370, 412, 420, 438, 444, 490, 511, 515, 518, 555, 588, 618, 721, 730, 735, 740, 777, 876, 980, 1022, 1030, 1036, 1095, 1110, 1236, 1295, 1442, 1460, 1470, 1533, 1545, 1554, 1813, 2044, 2060, 2163, 2190, 2220, 2555, 2590, 2701, 2884, 2940, 3066, 3090, 3108, 3577, 3605, 3626, 3811, 3885, 4326, 4380, 5047, 5110, 5180, 5402, 5439, 6132, 6180, 7154, 7210, 7252, 7519, 7622, 7665, 7770, 8103, 8652, 9065, 10094, 10220, 10731, 10804, 10815, 10878, 11433, 13505, 14308, 14420, 15038, 15141, 15244, 15330, 15540, 16206, 17885, 18130, 18907, 19055, 20188, 21462, 21630, 21756, 22557, 22866, 25235, 26677, 27010, 27195, 30076, 30282, 30660, 32412, 35770, 36260, 37595, 37814, 38110, 40515, 42924, 43260, 45114, 45732, 50470, 52633, 53354, 53655, 54020, 54390, 56721, 57165, 60564, 71540, 75190, 75628, 75705, 76220, 80031, 81030, 90228, 94535, 100940, 105266, 106708, 107310, 108780, 112785, 113442, 114330, 132349, 133385, 150380, 151410, 157899, 160062, 162060, 186739, 189070, 210532, 214620, 225570, 226884, 228660, 263165, 264698, 266770, 278203, 283605, 302820, 315798, 320124, 368431, 373478, 378140, 397047, 400155, 451140, 526330, 529396, 533540, 556406, 560217, 567210, 631596, 661745, 736862, 746956, 789495, 794094, 800310, 834609, 933695, 1052660, 1105293, 1112812, 1120434, 1134420, 1323490, 1391015, 1473724, 1578990, 1588188, 1600620, 1669218, 1842155, 1867390, 1947421, 1985235, 2210586, 2240868, 2646980, 2782030, 2801085, 3157980, 3338436, 3684310, 3734780, 3894842, 3970470, 4173045, 4421172, 5526465, 5564060, 5602170, 5842263, 7368620, 7789684, 7940940, 8346090, 9737105, 11052930, 11204340, 11684526, 13631947, 16692180, 19474210, 22105860, 23369052, 27263894, 29211315, 38948420, 40895841, 54527788, 58422630, 68159735, 81791682, 116845260, 136319470, 163583364, 204479205, 272638940, 408958410, 817916820]

約数ペア:

[(1, 817916820), (2, 408958410), (3, 272638940), (4, 204479205), (5, 163583364), (6, 136319470), (7, 116845260), (10, 81791682), (12, 68159735), (14, 58422630), (15, 54527788), (20, 40895841), (21, 38948420), (28, 29211315), (30, 27263894), (35, 23369052), (37, 22105860), (42, 19474210), (49, 16692180), (60, 13631947), (70, 11684526), (73, 11204340), (74, 11052930), (84, 9737105), (98, 8346090), (103, 7940940), (105, 7789684), (111, 7368620), (140, 5842263), (146, 5602170), (147, 5564060), (148, 5526465), (185, 4421172), (196, 4173045), (206, 3970470), (210, 3894842), (219, 3734780), (222, 3684310), (245, 3338436), (259, 3157980), (292, 2801085), (294, 2782030), (309, 2646980), (365, 2240868), (370, 2210586), (412, 1985235), (420, 1947421), (438, 1867390), (444, 1842155), (490, 1669218), (511, 1600620), (515, 1588188), (518, 1578990), (555, 1473724), (588, 1391015), (618, 1323490), (721, 1134420), (730, 1120434), (735, 1112812), (740, 1105293), (777, 1052660), (876, 933695), (980, 834609), (1022, 800310), (1030, 794094), (1036, 789495), (1095, 746956), (1110, 736862), (1236, 661745), (1295, 631596), (1442, 567210), (1460, 560217), (1470, 556406), (1533, 533540), (1545, 529396), (1554, 526330), (1813, 451140), (2044, 400155), (2060, 397047), (2163, 378140), (2190, 373478), (2220, 368431), (2555, 320124), (2590, 315798), (2701, 302820), (2884, 283605), (2940, 278203), (3066, 266770), (3090, 264698), (3108, 263165), (3577, 228660), (3605, 226884), (3626, 225570), (3811, 214620), (3885, 210532), (4326, 189070), (4380, 186739), (5047, 162060), (5110, 160062), (5180, 157899), (5402, 151410), (5439, 150380), (6132, 133385), (6180, 132349), (7154, 114330), (7210, 113442), (7252, 112785), (7519, 108780), (7622, 107310), (7665, 106708), (7770, 105266), (8103, 100940), (8652, 94535), (9065, 90228), (10094, 81030), (10220, 80031), (10731, 76220), (10804, 75705), (10815, 75628), (10878, 75190), (11433, 71540), (13505, 60564), (14308, 57165), (14420, 56721), (15038, 54390), (15141, 54020), (15244, 53655), (15330, 53354), (15540, 52633), (16206, 50470), (17885, 45732), (18130, 45114), (18907, 43260), (19055, 42924), (20188, 40515), (21462, 38110), (21630, 37814), (21756, 37595), (22557, 36260), (22866, 35770), (25235, 32412), (26677, 30660), (27010, 30282), (27195, 30076)]