145590260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 325656576

約数和(自身を除く): 180066316

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 127, 155, 172, 215, 254, 310, 430, 508, 620, 635, 860, 1270, 1333, 1849, 2540, 2666, 3698, 3937, 5332, 5461, 6665, 7396, 7874, 9245, 10922, 13330, 15748, 18490, 19685, 21844, 26660, 27305, 36980, 39370, 54610, 57319, 78740, 109220, 114638, 169291, 229276, 234823, 286595, 338582, 469646, 573190, 677164, 846455, 939292, 1146380, 1174115, 1692910, 2348230, 3385820, 4696460, 7279513, 14559026, 29118052, 36397565, 72795130, 145590260]

約数ペア:

[(1, 145590260), (2, 72795130), (4, 36397565), (5, 29118052), (10, 14559026), (20, 7279513), (31, 4696460), (43, 3385820), (62, 2348230), (86, 1692910), (124, 1174115), (127, 1146380), (155, 939292), (172, 846455), (215, 677164), (254, 573190), (310, 469646), (430, 338582), (508, 286595), (620, 234823), (635, 229276), (860, 169291), (1270, 114638), (1333, 109220), (1849, 78740), (2540, 57319), (2666, 54610), (3698, 39370), (3937, 36980), (5332, 27305), (5461, 26660), (6665, 21844), (7396, 19685), (7874, 18490), (9245, 15748), (10922, 13330)]