64389240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{178859}}^1$

素因数の和:178876

約数の個数: 48

約数和(自身を含む): 209266200

約数和(自身を除く): 144876960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 178859, 357718, 536577, 715436, 894295, 1073154, 1430872, 1609731, 1788590, 2146308, 2682885, 3219462, 3577180, 4292616, 5365770, 6438924, 7154360, 8048655, 10731540, 12877848, 16097310, 21463080, 32194620, 64389240]

約数ペア:

[(1, 64389240), (2, 32194620), (3, 21463080), (4, 16097310), (5, 12877848), (6, 10731540), (8, 8048655), (9, 7154360), (10, 6438924), (12, 5365770), (15, 4292616), (18, 3577180), (20, 3219462), (24, 2682885), (30, 2146308), (36, 1788590), (40, 1609731), (45, 1430872), (60, 1073154), (72, 894295), (90, 715436), (120, 536577), (180, 357718), (360, 178859)]