2101800120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{1319}}^1$

素因数の和:1618

約数の個数: 192

約数和(自身を含む): 7367500800

約数和(自身を除く): 5265700680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 271, 280, 294, 392, 420, 490, 542, 588, 735, 813, 840, 980, 1084, 1176, 1319, 1355, 1470, 1626, 1897, 1960, 2168, 2638, 2710, 2940, 3252, 3794, 3957, 4065, 5276, 5420, 5691, 5880, 6504, 6595, 7588, 7914, 8130, 9233, 9485, 10552, 10840, 11382, 13190, 13279, 15176, 15828, 16260, 18466, 18970, 19785, 22764, 26380, 26558, 27699, 28455, 31656, 32520, 36932, 37940, 39570, 39837, 45528, 46165, 52760, 53116, 55398, 56910, 64631, 66395, 73864, 75880, 79140, 79674, 92330, 106232, 110796, 113820, 129262, 132790, 138495, 158280, 159348, 184660, 193893, 199185, 221592, 227640, 258524, 265580, 276990, 318696, 323155, 357449, 369320, 387786, 398370, 517048, 531160, 553980, 646310, 714898, 775572, 796740, 969465, 1072347, 1107960, 1292620, 1429796, 1551144, 1593480, 1787245, 1938930, 2144694, 2502143, 2585240, 2859592, 3574490, 3877860, 4289388, 5004286, 5361735, 7148980, 7506429, 7755720, 8578776, 10008572, 10723470, 12510715, 14297960, 15012858, 17515001, 20017144, 21446940, 25021430, 30025716, 35030002, 37532145, 42893880, 50042860, 52545003, 60051432, 70060004, 75064290, 87575005, 100085720, 105090006, 140120008, 150128580, 175150010, 210180012, 262725015, 300257160, 350300020, 420360024, 525450030, 700600040, 1050900060, 2101800120]

約数ペア:

[(1, 2101800120), (2, 1050900060), (3, 700600040), (4, 525450030), (5, 420360024), (6, 350300020), (7, 300257160), (8, 262725015), (10, 210180012), (12, 175150010), (14, 150128580), (15, 140120008), (20, 105090006), (21, 100085720), (24, 87575005), (28, 75064290), (30, 70060004), (35, 60051432), (40, 52545003), (42, 50042860), (49, 42893880), (56, 37532145), (60, 35030002), (70, 30025716), (84, 25021430), (98, 21446940), (105, 20017144), (120, 17515001), (140, 15012858), (147, 14297960), (168, 12510715), (196, 10723470), (210, 10008572), (245, 8578776), (271, 7755720), (280, 7506429), (294, 7148980), (392, 5361735), (420, 5004286), (490, 4289388), (542, 3877860), (588, 3574490), (735, 2859592), (813, 2585240), (840, 2502143), (980, 2144694), (1084, 1938930), (1176, 1787245), (1319, 1593480), (1355, 1551144), (1470, 1429796), (1626, 1292620), (1897, 1107960), (1960, 1072347), (2168, 969465), (2638, 796740), (2710, 775572), (2940, 714898), (3252, 646310), (3794, 553980), (3957, 531160), (4065, 517048), (5276, 398370), (5420, 387786), (5691, 369320), (5880, 357449), (6504, 323155), (6595, 318696), (7588, 276990), (7914, 265580), (8130, 258524), (9233, 227640), (9485, 221592), (10552, 199185), (10840, 193893), (11382, 184660), (13190, 159348), (13279, 158280), (15176, 138495), (15828, 132790), (16260, 129262), (18466, 113820), (18970, 110796), (19785, 106232), (22764, 92330), (26380, 79674), (26558, 79140), (27699, 75880), (28455, 73864), (31656, 66395), (32520, 64631), (36932, 56910), (37940, 55398), (39570, 53116), (39837, 52760), (45528, 46165)]