80005980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4957}}^1$

素因数の和:5238

約数の個数: 48

約数和(自身を含む): 224894880

約数和(自身を除く): 144888900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1345, 1614, 2690, 3228, 4035, 4957, 5380, 8070, 9914, 14871, 16140, 19828, 24785, 29742, 49570, 59484, 74355, 99140, 148710, 297420, 1333433, 2666866, 4000299, 5333732, 6667165, 8000598, 13334330, 16001196, 20001495, 26668660, 40002990, 80005980]

約数ペア:

[(1, 80005980), (2, 40002990), (3, 26668660), (4, 20001495), (5, 16001196), (6, 13334330), (10, 8000598), (12, 6667165), (15, 5333732), (20, 4000299), (30, 2666866), (60, 1333433), (269, 297420), (538, 148710), (807, 99140), (1076, 74355), (1345, 59484), (1614, 49570), (2690, 29742), (3228, 24785), (4035, 19828), (4957, 16140), (5380, 14871), (8070, 9914)]