128929140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2531}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 392622048

約数和(自身を除く): 263692908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1132, 1415, 1698, 2531, 2547, 2830, 3396, 4245, 5062, 5094, 5660, 7593, 8490, 10124, 10188, 12655, 12735, 15186, 16980, 22779, 25310, 25470, 30372, 37965, 45558, 50620, 50940, 75930, 91116, 113895, 151860, 227790, 455580, 716273, 1432546, 2148819, 2865092, 3581365, 4297638, 6446457, 7162730, 8595276, 10744095, 12892914, 14325460, 21488190, 25785828, 32232285, 42976380, 64464570, 128929140]

約数ペア:

[(1, 128929140), (2, 64464570), (3, 42976380), (4, 32232285), (5, 25785828), (6, 21488190), (9, 14325460), (10, 12892914), (12, 10744095), (15, 8595276), (18, 7162730), (20, 6446457), (30, 4297638), (36, 3581365), (45, 2865092), (60, 2148819), (90, 1432546), (180, 716273), (283, 455580), (566, 227790), (849, 151860), (1132, 113895), (1415, 91116), (1698, 75930), (2531, 50940), (2547, 50620), (2830, 45558), (3396, 37965), (4245, 30372), (5062, 25470), (5094, 25310), (5660, 22779), (7593, 16980), (8490, 15186), (10124, 12735), (10188, 12655)]