163536280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 376992000

約数和(自身を除く): 213455720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 139, 268, 278, 335, 439, 536, 556, 670, 695, 878, 1112, 1340, 1390, 1756, 2195, 2680, 2780, 3512, 4390, 5560, 8780, 9313, 17560, 18626, 29413, 37252, 46565, 58826, 61021, 74504, 93130, 117652, 122042, 147065, 186260, 235304, 244084, 294130, 305105, 372520, 488168, 588260, 610210, 1176520, 1220420, 2440840, 4088407, 8176814, 16353628, 20442035, 32707256, 40884070, 81768140, 163536280]

約数ペア:

[(1, 163536280), (2, 81768140), (4, 40884070), (5, 32707256), (8, 20442035), (10, 16353628), (20, 8176814), (40, 4088407), (67, 2440840), (134, 1220420), (139, 1176520), (268, 610210), (278, 588260), (335, 488168), (439, 372520), (536, 305105), (556, 294130), (670, 244084), (695, 235304), (878, 186260), (1112, 147065), (1340, 122042), (1390, 117652), (1756, 93130), (2195, 74504), (2680, 61021), (2780, 58826), (3512, 46565), (4390, 37252), (5560, 29413), (8780, 18626), (9313, 17560)]