12957840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{857}}^1$

素因数の和:886

約数の個数: 160

約数和(自身を含む): 51068160

約数和(自身を除く): 38110320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 857, 945, 1008, 1080, 1260, 1512, 1680, 1714, 1890, 2160, 2520, 2571, 3024, 3428, 3780, 4285, 5040, 5142, 5999, 6856, 7560, 7713, 8570, 10284, 11998, 12855, 13712, 15120, 15426, 17140, 17997, 20568, 23139, 23996, 25710, 29995, 30852, 34280, 35994, 38565, 41136, 46278, 47992, 51420, 53991, 59990, 61704, 68560, 71988, 77130, 89985, 92556, 95984, 102840, 107982, 115695, 119980, 123408, 143976, 154260, 161973, 179970, 185112, 205680, 215964, 231390, 239960, 269955, 287952, 308520, 323946, 359940, 370224, 431928, 462780, 479920, 539910, 617040, 647892, 719880, 809865, 863856, 925560, 1079820, 1295784, 1439760, 1619730, 1851120, 2159640, 2591568, 3239460, 4319280, 6478920, 12957840]

約数ペア:

[(1, 12957840), (2, 6478920), (3, 4319280), (4, 3239460), (5, 2591568), (6, 2159640), (7, 1851120), (8, 1619730), (9, 1439760), (10, 1295784), (12, 1079820), (14, 925560), (15, 863856), (16, 809865), (18, 719880), (20, 647892), (21, 617040), (24, 539910), (27, 479920), (28, 462780), (30, 431928), (35, 370224), (36, 359940), (40, 323946), (42, 308520), (45, 287952), (48, 269955), (54, 239960), (56, 231390), (60, 215964), (63, 205680), (70, 185112), (72, 179970), (80, 161973), (84, 154260), (90, 143976), (105, 123408), (108, 119980), (112, 115695), (120, 107982), (126, 102840), (135, 95984), (140, 92556), (144, 89985), (168, 77130), (180, 71988), (189, 68560), (210, 61704), (216, 59990), (240, 53991), (252, 51420), (270, 47992), (280, 46278), (315, 41136), (336, 38565), (360, 35994), (378, 34280), (420, 30852), (432, 29995), (504, 25710), (540, 23996), (560, 23139), (630, 20568), (720, 17997), (756, 17140), (840, 15426), (857, 15120), (945, 13712), (1008, 12855), (1080, 11998), (1260, 10284), (1512, 8570), (1680, 7713), (1714, 7560), (1890, 6856), (2160, 5999), (2520, 5142), (2571, 5040), (3024, 4285), (3428, 3780)]