51111480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:949

約数の個数: 128

約数和(自身を含む): 177914880

約数和(自身を除く): 126803400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 857, 994, 1065, 1420, 1491, 1704, 1714, 1988, 2130, 2485, 2571, 2840, 2982, 3428, 3976, 4260, 4285, 4970, 5142, 5964, 5999, 6856, 7455, 8520, 8570, 9940, 10284, 11928, 11998, 12855, 14910, 17140, 17997, 19880, 20568, 23996, 25710, 29820, 29995, 34280, 35994, 47992, 51420, 59640, 59990, 60847, 71988, 89985, 102840, 119980, 121694, 143976, 179970, 182541, 239960, 243388, 304235, 359940, 365082, 425929, 486776, 608470, 719880, 730164, 851858, 912705, 1216940, 1277787, 1460328, 1703716, 1825410, 2129645, 2433880, 2555574, 3407432, 3650820, 4259290, 5111148, 6388935, 7301640, 8518580, 10222296, 12777870, 17037160, 25555740, 51111480]

約数ペア:

[(1, 51111480), (2, 25555740), (3, 17037160), (4, 12777870), (5, 10222296), (6, 8518580), (7, 7301640), (8, 6388935), (10, 5111148), (12, 4259290), (14, 3650820), (15, 3407432), (20, 2555574), (21, 2433880), (24, 2129645), (28, 1825410), (30, 1703716), (35, 1460328), (40, 1277787), (42, 1216940), (56, 912705), (60, 851858), (70, 730164), (71, 719880), (84, 608470), (105, 486776), (120, 425929), (140, 365082), (142, 359940), (168, 304235), (210, 243388), (213, 239960), (280, 182541), (284, 179970), (355, 143976), (420, 121694), (426, 119980), (497, 102840), (568, 89985), (710, 71988), (840, 60847), (852, 59990), (857, 59640), (994, 51420), (1065, 47992), (1420, 35994), (1491, 34280), (1704, 29995), (1714, 29820), (1988, 25710), (2130, 23996), (2485, 20568), (2571, 19880), (2840, 17997), (2982, 17140), (3428, 14910), (3976, 12855), (4260, 11998), (4285, 11928), (4970, 10284), (5142, 9940), (5964, 8570), (5999, 8520), (6856, 7455)]