154360780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5081}}^1$

素因数の和:5135

約数の個数: 72

約数和(自身を含む): 389321856

約数和(自身を除く): 234961076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 5081, 6076, 7595, 10162, 15190, 20324, 25405, 30380, 35567, 50810, 71134, 101620, 142268, 157511, 177835, 248969, 315022, 355670, 497938, 630044, 711340, 787555, 995876, 1102577, 1244845, 1575110, 2205154, 2489690, 3150220, 4410308, 4979380, 5512885, 7718039, 11025770, 15436078, 22051540, 30872156, 38590195, 77180390, 154360780]

約数ペア:

[(1, 154360780), (2, 77180390), (4, 38590195), (5, 30872156), (7, 22051540), (10, 15436078), (14, 11025770), (20, 7718039), (28, 5512885), (31, 4979380), (35, 4410308), (49, 3150220), (62, 2489690), (70, 2205154), (98, 1575110), (124, 1244845), (140, 1102577), (155, 995876), (196, 787555), (217, 711340), (245, 630044), (310, 497938), (434, 355670), (490, 315022), (620, 248969), (868, 177835), (980, 157511), (1085, 142268), (1519, 101620), (2170, 71134), (3038, 50810), (4340, 35567), (5081, 30380), (6076, 25405), (7595, 20324), (10162, 15190)]