156497320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4021}}^1$

素因数の和:4178

約数の個数: 64

約数和(自身を含む): 405417600

約数和(自身を除く): 248920280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4021, 4865, 5560, 7784, 8042, 9730, 16084, 19460, 20105, 28147, 32168, 38920, 40210, 56294, 80420, 112588, 140735, 160840, 225176, 281470, 558919, 562940, 1117838, 1125880, 2235676, 2794595, 3912433, 4471352, 5589190, 7824866, 11178380, 15649732, 19562165, 22356760, 31299464, 39124330, 78248660, 156497320]

約数ペア:

[(1, 156497320), (2, 78248660), (4, 39124330), (5, 31299464), (7, 22356760), (8, 19562165), (10, 15649732), (14, 11178380), (20, 7824866), (28, 5589190), (35, 4471352), (40, 3912433), (56, 2794595), (70, 2235676), (139, 1125880), (140, 1117838), (278, 562940), (280, 558919), (556, 281470), (695, 225176), (973, 160840), (1112, 140735), (1390, 112588), (1946, 80420), (2780, 56294), (3892, 40210), (4021, 38920), (4865, 32168), (5560, 28147), (7784, 20105), (8042, 19460), (9730, 16084)]