64617840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{12821}}^1$

素因数の和:12847

約数の個数: 120

約数和(自身を含む): 248028768

約数和(自身を除く): 183410928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 12821, 25642, 38463, 51284, 64105, 76926, 89747, 102568, 115389, 128210, 153852, 179494, 192315, 205136, 230778, 256420, 269241, 307704, 358988, 384630, 448735, 461556, 512840, 538482, 576945, 615408, 717976, 769260, 807723, 897470, 923112, 1025680, 1076964, 1153890, 1346205, 1435952, 1538520, 1615446, 1794940, 1846224, 2153928, 2307780, 2692410, 3077040, 3230892, 3589880, 4038615, 4307856, 4615560, 5384820, 6461784, 7179760, 8077230, 9231120, 10769640, 12923568, 16154460, 21539280, 32308920, 64617840]

約数ペア:

[(1, 64617840), (2, 32308920), (3, 21539280), (4, 16154460), (5, 12923568), (6, 10769640), (7, 9231120), (8, 8077230), (9, 7179760), (10, 6461784), (12, 5384820), (14, 4615560), (15, 4307856), (16, 4038615), (18, 3589880), (20, 3230892), (21, 3077040), (24, 2692410), (28, 2307780), (30, 2153928), (35, 1846224), (36, 1794940), (40, 1615446), (42, 1538520), (45, 1435952), (48, 1346205), (56, 1153890), (60, 1076964), (63, 1025680), (70, 923112), (72, 897470), (80, 807723), (84, 769260), (90, 717976), (105, 615408), (112, 576945), (120, 538482), (126, 512840), (140, 461556), (144, 448735), (168, 384630), (180, 358988), (210, 307704), (240, 269241), (252, 256420), (280, 230778), (315, 205136), (336, 192315), (360, 179494), (420, 153852), (504, 128210), (560, 115389), (630, 102568), (720, 89747), (840, 76926), (1008, 64105), (1260, 51284), (1680, 38463), (2520, 25642), (5040, 12821)]