1219258740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{26633}}^1$

素因数の和:26761

約数の個数: 96

約数和(自身を含む): 3937570560

約数和(自身を除く): 2718311820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 763, 1090, 1308, 1526, 1635, 2180, 2289, 3052, 3270, 3815, 4578, 6540, 7630, 9156, 11445, 15260, 22890, 26633, 45780, 53266, 79899, 106532, 133165, 159798, 186431, 266330, 319596, 372862, 399495, 532660, 559293, 745724, 798990, 932155, 1118586, 1597980, 1864310, 2237172, 2796465, 2902997, 3728620, 5592930, 5805994, 8708991, 11185860, 11611988, 14514985, 17417982, 20320979, 29029970, 34835964, 40641958, 43544955, 58059940, 60962937, 81283916, 87089910, 101604895, 121925874, 174179820, 203209790, 243851748, 304814685, 406419580, 609629370, 1219258740]

約数ペア:

[(1, 1219258740), (2, 609629370), (3, 406419580), (4, 304814685), (5, 243851748), (6, 203209790), (7, 174179820), (10, 121925874), (12, 101604895), (14, 87089910), (15, 81283916), (20, 60962937), (21, 58059940), (28, 43544955), (30, 40641958), (35, 34835964), (42, 29029970), (60, 20320979), (70, 17417982), (84, 14514985), (105, 11611988), (109, 11185860), (140, 8708991), (210, 5805994), (218, 5592930), (327, 3728620), (420, 2902997), (436, 2796465), (545, 2237172), (654, 1864310), (763, 1597980), (1090, 1118586), (1308, 932155), (1526, 798990), (1635, 745724), (2180, 559293), (2289, 532660), (3052, 399495), (3270, 372862), (3815, 319596), (4578, 266330), (6540, 186431), (7630, 159798), (9156, 133165), (11445, 106532), (15260, 79899), (22890, 53266), (26633, 45780)]