71408400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{8501}}^1$

素因数の和:8529

約数の個数: 120

約数和(自身を含む): 261453504

約数和(自身を除く): 190045104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 8501, 17002, 25503, 34004, 42505, 51006, 59507, 68008, 85010, 102012, 119014, 127515, 136016, 170020, 178521, 204024, 212525, 238028, 255030, 297535, 340040, 357042, 408048, 425050, 476056, 510060, 595070, 637575, 680080, 714084, 850100, 892605, 952112, 1020120, 1190140, 1275150, 1428168, 1487675, 1700200, 1785210, 2040240, 2380280, 2550300, 2856336, 2975350, 3400400, 3570420, 4463025, 4760560, 5100600, 5950700, 7140840, 8926050, 10201200, 11901400, 14281680, 17852100, 23802800, 35704200, 71408400]

約数ペア:

[(1, 71408400), (2, 35704200), (3, 23802800), (4, 17852100), (5, 14281680), (6, 11901400), (7, 10201200), (8, 8926050), (10, 7140840), (12, 5950700), (14, 5100600), (15, 4760560), (16, 4463025), (20, 3570420), (21, 3400400), (24, 2975350), (25, 2856336), (28, 2550300), (30, 2380280), (35, 2040240), (40, 1785210), (42, 1700200), (48, 1487675), (50, 1428168), (56, 1275150), (60, 1190140), (70, 1020120), (75, 952112), (80, 892605), (84, 850100), (100, 714084), (105, 680080), (112, 637575), (120, 595070), (140, 510060), (150, 476056), (168, 425050), (175, 408048), (200, 357042), (210, 340040), (240, 297535), (280, 255030), (300, 238028), (336, 212525), (350, 204024), (400, 178521), (420, 170020), (525, 136016), (560, 127515), (600, 119014), (700, 102012), (840, 85010), (1050, 68008), (1200, 59507), (1400, 51006), (1680, 42505), (2100, 34004), (2800, 25503), (4200, 17002), (8400, 8501)]