15781680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:995

約数の個数: 120

約数和(自身を含む): 55362528

約数和(自身を除く): 39580848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 953, 1035, 1104, 1380, 1656, 1840, 1906, 2070, 2760, 2859, 3312, 3812, 4140, 4765, 5520, 5718, 7624, 8280, 8577, 9530, 11436, 14295, 15248, 16560, 17154, 19060, 21919, 22872, 28590, 34308, 38120, 42885, 43838, 45744, 57180, 65757, 68616, 76240, 85770, 87676, 109595, 114360, 131514, 137232, 171540, 175352, 197271, 219190, 228720, 263028, 328785, 343080, 350704, 394542, 438380, 526056, 657570, 686160, 789084, 876760, 986355, 1052112, 1315140, 1578168, 1753520, 1972710, 2630280, 3156336, 3945420, 5260560, 7890840, 15781680]

約数ペア:

[(1, 15781680), (2, 7890840), (3, 5260560), (4, 3945420), (5, 3156336), (6, 2630280), (8, 1972710), (9, 1753520), (10, 1578168), (12, 1315140), (15, 1052112), (16, 986355), (18, 876760), (20, 789084), (23, 686160), (24, 657570), (30, 526056), (36, 438380), (40, 394542), (45, 350704), (46, 343080), (48, 328785), (60, 263028), (69, 228720), (72, 219190), (80, 197271), (90, 175352), (92, 171540), (115, 137232), (120, 131514), (138, 114360), (144, 109595), (180, 87676), (184, 85770), (207, 76240), (230, 68616), (240, 65757), (276, 57180), (345, 45744), (360, 43838), (368, 42885), (414, 38120), (460, 34308), (552, 28590), (690, 22872), (720, 21919), (828, 19060), (920, 17154), (953, 16560), (1035, 15248), (1104, 14295), (1380, 11436), (1656, 9530), (1840, 8577), (1906, 8280), (2070, 7624), (2760, 5718), (2859, 5520), (3312, 4765), (3812, 4140)]