81947790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19373}}^1$

素因数の和:19433

約数の個数: 48

約数和(自身を含む): 217608768

約数和(自身を除く): 135660978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 19373, 38746, 58119, 96865, 116238, 174357, 193730, 290595, 348714, 581190, 871785, 910531, 1743570, 1821062, 2731593, 4552655, 5463186, 8194779, 9105310, 13657965, 16389558, 27315930, 40973895, 81947790]

約数ペア:

[(1, 81947790), (2, 40973895), (3, 27315930), (5, 16389558), (6, 13657965), (9, 9105310), (10, 8194779), (15, 5463186), (18, 4552655), (30, 2731593), (45, 1821062), (47, 1743570), (90, 910531), (94, 871785), (141, 581190), (235, 348714), (282, 290595), (423, 193730), (470, 174357), (705, 116238), (846, 96865), (1410, 58119), (2115, 38746), (4230, 19373)]