1258234740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{142657}}^1$

素因数の和:142686

約数の個数: 108

約数和(自身を含む): 4439802276

約数和(自身を除く): 3181567536

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 142657, 285314, 427971, 570628, 713285, 855942, 998599, 1283913, 1426570, 1711884, 1997198, 2139855, 2567826, 2853140, 2995797, 3994396, 4279710, 4992995, 5135652, 5991594, 6419565, 6990193, 8559420, 8987391, 9985990, 11983188, 12839130, 13980386, 14978985, 17974782, 19971980, 20970579, 25678260, 27960772, 29957970, 34950965, 35949564, 41941158, 44936955, 59915940, 62911737, 69901930, 83882316, 89873910, 104852895, 125823474, 139803860, 179747820, 209705790, 251646948, 314558685, 419411580, 629117370, 1258234740]

約数ペア:

[(1, 1258234740), (2, 629117370), (3, 419411580), (4, 314558685), (5, 251646948), (6, 209705790), (7, 179747820), (9, 139803860), (10, 125823474), (12, 104852895), (14, 89873910), (15, 83882316), (18, 69901930), (20, 62911737), (21, 59915940), (28, 44936955), (30, 41941158), (35, 35949564), (36, 34950965), (42, 29957970), (45, 27960772), (49, 25678260), (60, 20970579), (63, 19971980), (70, 17974782), (84, 14978985), (90, 13980386), (98, 12839130), (105, 11983188), (126, 9985990), (140, 8987391), (147, 8559420), (180, 6990193), (196, 6419565), (210, 5991594), (245, 5135652), (252, 4992995), (294, 4279710), (315, 3994396), (420, 2995797), (441, 2853140), (490, 2567826), (588, 2139855), (630, 1997198), (735, 1711884), (882, 1426570), (980, 1283913), (1260, 998599), (1470, 855942), (1764, 713285), (2205, 570628), (2940, 427971), (4410, 285314), (8820, 142657)]