15661917220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{161563}}^1$

素因数の和:161740

約数の個数: 48

約数和(自身を含む): 34037011008

約数和(自身を除く): 18375093788

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 19388, 24235, 48470, 96940, 161563, 323126, 646252, 807815, 1615630, 3231260, 5977831, 11955662, 21164753, 23911324, 29889155, 42329506, 59778310, 84659012, 105823765, 119556620, 211647530, 423295060, 783095861, 1566191722, 3132383444, 3915479305, 7830958610, 15661917220]

約数ペア:

[(1, 15661917220), (2, 7830958610), (4, 3915479305), (5, 3132383444), (10, 1566191722), (20, 783095861), (37, 423295060), (74, 211647530), (131, 119556620), (148, 105823765), (185, 84659012), (262, 59778310), (370, 42329506), (524, 29889155), (655, 23911324), (740, 21164753), (1310, 11955662), (2620, 5977831), (4847, 3231260), (9694, 1615630), (19388, 807815), (24235, 646252), (48470, 323126), (96940, 161563)]