20160145460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1582429}}^1$

素因数の和:1582465

約数の個数: 72

約数和(自身を含む): 53036723880

約数和(自身を除く): 32876578420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 1582429, 3164858, 6329716, 7912145, 11077003, 15824290, 20571577, 22154006, 31648580, 41143154, 44308012, 55385015, 77539021, 82286308, 102857885, 110770030, 144001039, 155078042, 205715770, 221540060, 288002078, 310156084, 387695105, 411431540, 576004156, 720005195, 775390210, 1008007273, 1440010390, 1550780420, 2016014546, 2880020780, 4032029092, 5040036365, 10080072730, 20160145460]

約数ペア:

[(1, 20160145460), (2, 10080072730), (4, 5040036365), (5, 4032029092), (7, 2880020780), (10, 2016014546), (13, 1550780420), (14, 1440010390), (20, 1008007273), (26, 775390210), (28, 720005195), (35, 576004156), (49, 411431540), (52, 387695105), (65, 310156084), (70, 288002078), (91, 221540060), (98, 205715770), (130, 155078042), (140, 144001039), (182, 110770030), (196, 102857885), (245, 82286308), (260, 77539021), (364, 55385015), (455, 44308012), (490, 41143154), (637, 31648580), (910, 22154006), (980, 20571577), (1274, 15824290), (1820, 11077003), (2548, 7912145), (3185, 6329716), (6370, 3164858), (12740, 1582429)]