78465240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 256

約数和(自身を含む): 304819200

約数和(自身を除く): 226353960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 97, 105, 107, 108, 120, 126, 135, 140, 168, 180, 189, 194, 210, 214, 216, 252, 270, 280, 291, 315, 321, 360, 378, 388, 420, 428, 485, 504, 535, 540, 582, 630, 642, 679, 749, 756, 776, 840, 856, 873, 945, 963, 970, 1070, 1080, 1164, 1260, 1284, 1358, 1455, 1498, 1512, 1605, 1746, 1890, 1926, 1940, 2037, 2140, 2247, 2328, 2520, 2568, 2619, 2716, 2889, 2910, 2996, 3210, 3395, 3492, 3745, 3780, 3852, 3880, 4074, 4280, 4365, 4494, 4815, 5238, 5432, 5778, 5820, 5992, 6111, 6420, 6741, 6790, 6984, 7490, 7560, 7704, 8148, 8730, 8988, 9630, 10185, 10379, 10476, 11235, 11556, 11640, 12222, 12840, 13095, 13482, 13580, 14445, 14980, 16296, 17460, 17976, 18333, 19260, 20223, 20370, 20758, 20952, 22470, 23112, 24444, 26190, 26964, 27160, 28890, 29960, 30555, 31137, 33705, 34920, 36666, 38520, 40446, 40740, 41516, 44940, 48888, 51895, 52380, 53928, 57780, 61110, 62274, 67410, 72653, 73332, 80892, 81480, 83032, 89880, 91665, 93411, 101115, 103790, 104760, 115560, 122220, 124548, 134820, 145306, 146664, 155685, 161784, 183330, 186822, 202230, 207580, 217959, 244440, 249096, 269640, 280233, 290612, 311370, 363265, 366660, 373644, 404460, 415160, 435918, 467055, 560466, 581224, 622740, 653877, 726530, 733320, 747288, 808920, 871836, 934110, 1089795, 1120932, 1245480, 1307754, 1401165, 1453060, 1743672, 1868220, 1961631, 2179590, 2241864, 2615508, 2802330, 2906120, 3269385, 3736440, 3923262, 4359180, 5231016, 5604660, 6538770, 7846524, 8718360, 9808155, 11209320, 13077540, 15693048, 19616310, 26155080, 39232620, 78465240]

約数ペア:

[(1, 78465240), (2, 39232620), (3, 26155080), (4, 19616310), (5, 15693048), (6, 13077540), (7, 11209320), (8, 9808155), (9, 8718360), (10, 7846524), (12, 6538770), (14, 5604660), (15, 5231016), (18, 4359180), (20, 3923262), (21, 3736440), (24, 3269385), (27, 2906120), (28, 2802330), (30, 2615508), (35, 2241864), (36, 2179590), (40, 1961631), (42, 1868220), (45, 1743672), (54, 1453060), (56, 1401165), (60, 1307754), (63, 1245480), (70, 1120932), (72, 1089795), (84, 934110), (90, 871836), (97, 808920), (105, 747288), (107, 733320), (108, 726530), (120, 653877), (126, 622740), (135, 581224), (140, 560466), (168, 467055), (180, 435918), (189, 415160), (194, 404460), (210, 373644), (214, 366660), (216, 363265), (252, 311370), (270, 290612), (280, 280233), (291, 269640), (315, 249096), (321, 244440), (360, 217959), (378, 207580), (388, 202230), (420, 186822), (428, 183330), (485, 161784), (504, 155685), (535, 146664), (540, 145306), (582, 134820), (630, 124548), (642, 122220), (679, 115560), (749, 104760), (756, 103790), (776, 101115), (840, 93411), (856, 91665), (873, 89880), (945, 83032), (963, 81480), (970, 80892), (1070, 73332), (1080, 72653), (1164, 67410), (1260, 62274), (1284, 61110), (1358, 57780), (1455, 53928), (1498, 52380), (1512, 51895), (1605, 48888), (1746, 44940), (1890, 41516), (1926, 40740), (1940, 40446), (2037, 38520), (2140, 36666), (2247, 34920), (2328, 33705), (2520, 31137), (2568, 30555), (2619, 29960), (2716, 28890), (2889, 27160), (2910, 26964), (2996, 26190), (3210, 24444), (3395, 23112), (3492, 22470), (3745, 20952), (3780, 20758), (3852, 20370), (3880, 20223), (4074, 19260), (4280, 18333), (4365, 17976), (4494, 17460), (4815, 16296), (5238, 14980), (5432, 14445), (5778, 13580), (5820, 13482), (5992, 13095), (6111, 12840), (6420, 12222), (6741, 11640), (6790, 11556), (6984, 11235), (7490, 10476), (7560, 10379), (7704, 10185), (8148, 9630), (8730, 8988)]