78695820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 283852800

約数和(自身を除く): 205156980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 109, 126, 135, 140, 180, 189, 191, 210, 218, 252, 270, 315, 327, 378, 382, 420, 436, 540, 545, 573, 630, 654, 756, 763, 764, 945, 955, 981, 1090, 1146, 1260, 1308, 1337, 1526, 1635, 1719, 1890, 1910, 1962, 2180, 2289, 2292, 2674, 2865, 2943, 3052, 3270, 3438, 3780, 3815, 3820, 3924, 4011, 4578, 4905, 5157, 5348, 5730, 5886, 6540, 6685, 6867, 6876, 7630, 8022, 8595, 9156, 9810, 10314, 11445, 11460, 11772, 12033, 13370, 13734, 14715, 15260, 16044, 17190, 19620, 20055, 20601, 20628, 20819, 22890, 24066, 25785, 26740, 27468, 29430, 34335, 34380, 36099, 40110, 41202, 41638, 45780, 48132, 51570, 58860, 60165, 62457, 68670, 72198, 80220, 82404, 83276, 103005, 103140, 104095, 120330, 124914, 137340, 144396, 145733, 180495, 187371, 206010, 208190, 240660, 249828, 291466, 312285, 360990, 374742, 412020, 416380, 437199, 562113, 582932, 624570, 721980, 728665, 749484, 874398, 936855, 1124226, 1249140, 1311597, 1457330, 1748796, 1873710, 2185995, 2248452, 2623194, 2810565, 2914660, 3747420, 3934791, 4371990, 5246388, 5621130, 6557985, 7869582, 8743980, 11242260, 13115970, 15739164, 19673955, 26231940, 39347910, 78695820]

約数ペア:

[(1, 78695820), (2, 39347910), (3, 26231940), (4, 19673955), (5, 15739164), (6, 13115970), (7, 11242260), (9, 8743980), (10, 7869582), (12, 6557985), (14, 5621130), (15, 5246388), (18, 4371990), (20, 3934791), (21, 3747420), (27, 2914660), (28, 2810565), (30, 2623194), (35, 2248452), (36, 2185995), (42, 1873710), (45, 1748796), (54, 1457330), (60, 1311597), (63, 1249140), (70, 1124226), (84, 936855), (90, 874398), (105, 749484), (108, 728665), (109, 721980), (126, 624570), (135, 582932), (140, 562113), (180, 437199), (189, 416380), (191, 412020), (210, 374742), (218, 360990), (252, 312285), (270, 291466), (315, 249828), (327, 240660), (378, 208190), (382, 206010), (420, 187371), (436, 180495), (540, 145733), (545, 144396), (573, 137340), (630, 124914), (654, 120330), (756, 104095), (763, 103140), (764, 103005), (945, 83276), (955, 82404), (981, 80220), (1090, 72198), (1146, 68670), (1260, 62457), (1308, 60165), (1337, 58860), (1526, 51570), (1635, 48132), (1719, 45780), (1890, 41638), (1910, 41202), (1962, 40110), (2180, 36099), (2289, 34380), (2292, 34335), (2674, 29430), (2865, 27468), (2943, 26740), (3052, 25785), (3270, 24066), (3438, 22890), (3780, 20819), (3815, 20628), (3820, 20601), (3924, 20055), (4011, 19620), (4578, 17190), (4905, 16044), (5157, 15260), (5348, 14715), (5730, 13734), (5886, 13370), (6540, 12033), (6685, 11772), (6867, 11460), (6876, 11445), (7630, 10314), (8022, 9810), (8595, 9156)]