66969840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39863}}^1$

素因数の和:39886

約数の個数: 80

約数和(自身を含む): 237270528

約数和(自身を除く): 170300688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 39863, 79726, 119589, 159452, 199315, 239178, 279041, 318904, 398630, 478356, 558082, 597945, 637808, 797260, 837123, 956712, 1116164, 1195890, 1395205, 1594520, 1674246, 1913424, 2232328, 2391780, 2790410, 3189040, 3348492, 4185615, 4464656, 4783560, 5580820, 6696984, 8371230, 9567120, 11161640, 13393968, 16742460, 22323280, 33484920, 66969840]

約数ペア:

[(1, 66969840), (2, 33484920), (3, 22323280), (4, 16742460), (5, 13393968), (6, 11161640), (7, 9567120), (8, 8371230), (10, 6696984), (12, 5580820), (14, 4783560), (15, 4464656), (16, 4185615), (20, 3348492), (21, 3189040), (24, 2790410), (28, 2391780), (30, 2232328), (35, 1913424), (40, 1674246), (42, 1594520), (48, 1395205), (56, 1195890), (60, 1116164), (70, 956712), (80, 837123), (84, 797260), (105, 637808), (112, 597945), (120, 558082), (140, 478356), (168, 398630), (210, 318904), (240, 279041), (280, 239178), (336, 199315), (420, 159452), (560, 119589), (840, 79726), (1680, 39863)]