631991680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51973}}^1$

素因数の和:52011

約数の個数: 64

約数和(自身を含む): 1590404400

約数和(自身を除く): 958412720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 51973, 103946, 207892, 259865, 415784, 519730, 831568, 987487, 1039460, 1663136, 1974974, 2078920, 3326272, 3949948, 4157840, 4937435, 6652544, 7899896, 8315680, 9874870, 15799792, 16631360, 19749740, 31599584, 33262720, 39499480, 63199168, 78998960, 126398336, 157997920, 315995840, 631991680]

約数ペア:

[(1, 631991680), (2, 315995840), (4, 157997920), (5, 126398336), (8, 78998960), (10, 63199168), (16, 39499480), (19, 33262720), (20, 31599584), (32, 19749740), (38, 16631360), (40, 15799792), (64, 9874870), (76, 8315680), (80, 7899896), (95, 6652544), (128, 4937435), (152, 4157840), (160, 3949948), (190, 3326272), (304, 2078920), (320, 1974974), (380, 1663136), (608, 1039460), (640, 987487), (760, 831568), (1216, 519730), (1520, 415784), (2432, 259865), (3040, 207892), (6080, 103946), (12160, 51973)]