13281120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 144

約数和(自身を含む): 47410272

約数和(自身を除く): 34129152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 401, 414, 460, 480, 552, 690, 720, 736, 802, 828, 920, 1035, 1104, 1203, 1380, 1440, 1604, 1656, 1840, 2005, 2070, 2208, 2406, 2760, 3208, 3312, 3609, 3680, 4010, 4140, 4812, 5520, 6015, 6416, 6624, 7218, 8020, 8280, 9223, 9624, 11040, 12030, 12832, 14436, 16040, 16560, 18045, 18446, 19248, 24060, 27669, 28872, 32080, 33120, 36090, 36892, 38496, 46115, 48120, 55338, 57744, 64160, 72180, 73784, 83007, 92230, 96240, 110676, 115488, 138345, 144360, 147568, 166014, 184460, 192480, 221352, 276690, 288720, 295136, 332028, 368920, 415035, 442704, 553380, 577440, 664056, 737840, 830070, 885408, 1106760, 1328112, 1475680, 1660140, 2213520, 2656224, 3320280, 4427040, 6640560, 13281120]

約数ペア:

[(1, 13281120), (2, 6640560), (3, 4427040), (4, 3320280), (5, 2656224), (6, 2213520), (8, 1660140), (9, 1475680), (10, 1328112), (12, 1106760), (15, 885408), (16, 830070), (18, 737840), (20, 664056), (23, 577440), (24, 553380), (30, 442704), (32, 415035), (36, 368920), (40, 332028), (45, 295136), (46, 288720), (48, 276690), (60, 221352), (69, 192480), (72, 184460), (80, 166014), (90, 147568), (92, 144360), (96, 138345), (115, 115488), (120, 110676), (138, 96240), (144, 92230), (160, 83007), (180, 73784), (184, 72180), (207, 64160), (230, 57744), (240, 55338), (276, 48120), (288, 46115), (345, 38496), (360, 36892), (368, 36090), (401, 33120), (414, 32080), (460, 28872), (480, 27669), (552, 24060), (690, 19248), (720, 18446), (736, 18045), (802, 16560), (828, 16040), (920, 14436), (1035, 12832), (1104, 12030), (1203, 11040), (1380, 9624), (1440, 9223), (1604, 8280), (1656, 8020), (1840, 7218), (2005, 6624), (2070, 6416), (2208, 6015), (2406, 5520), (2760, 4812), (3208, 4140), (3312, 4010), (3609, 3680)]