81134940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71171}}^1$

素因数の和:71202

約数の個数: 48

約数和(自身を含む): 239137920

約数和(自身を除く): 158002980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71171, 142342, 213513, 284684, 355855, 427026, 711710, 854052, 1067565, 1352249, 1423420, 2135130, 2704498, 4056747, 4270260, 5408996, 6761245, 8113494, 13522490, 16226988, 20283735, 27044980, 40567470, 81134940]

約数ペア:

[(1, 81134940), (2, 40567470), (3, 27044980), (4, 20283735), (5, 16226988), (6, 13522490), (10, 8113494), (12, 6761245), (15, 5408996), (19, 4270260), (20, 4056747), (30, 2704498), (38, 2135130), (57, 1423420), (60, 1352249), (76, 1067565), (95, 854052), (114, 711710), (190, 427026), (228, 355855), (285, 284684), (380, 213513), (570, 142342), (1140, 71171)]