30323440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 81298368

約数和(自身を除く): 50974928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 313, 346, 560, 626, 692, 865, 1211, 1252, 1384, 1565, 1730, 2191, 2422, 2504, 2768, 3130, 3460, 4382, 4844, 5008, 6055, 6260, 6920, 8764, 9688, 10955, 12110, 12520, 13840, 17528, 19376, 21910, 24220, 25040, 35056, 43820, 48440, 54149, 87640, 96880, 108298, 175280, 216596, 270745, 379043, 433192, 541490, 758086, 866384, 1082980, 1516172, 1895215, 2165960, 3032344, 3790430, 4331920, 6064688, 7580860, 15161720, 30323440]

約数ペア:

[(1, 30323440), (2, 15161720), (4, 7580860), (5, 6064688), (7, 4331920), (8, 3790430), (10, 3032344), (14, 2165960), (16, 1895215), (20, 1516172), (28, 1082980), (35, 866384), (40, 758086), (56, 541490), (70, 433192), (80, 379043), (112, 270745), (140, 216596), (173, 175280), (280, 108298), (313, 96880), (346, 87640), (560, 54149), (626, 48440), (692, 43820), (865, 35056), (1211, 25040), (1252, 24220), (1384, 21910), (1565, 19376), (1730, 17528), (2191, 13840), (2422, 12520), (2504, 12110), (2768, 10955), (3130, 9688), (3460, 8764), (4382, 6920), (4844, 6260), (5008, 6055)]