87960280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 209744640

約数和(自身を除く): 121784360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 536, 670, 920, 1340, 1427, 1541, 2680, 2854, 3082, 5708, 6164, 7135, 7705, 11416, 12328, 14270, 15410, 28540, 30820, 32821, 57080, 61640, 65642, 95609, 131284, 164105, 191218, 262568, 328210, 382436, 478045, 656420, 764872, 956090, 1312840, 1912180, 2199007, 3824360, 4398014, 8796028, 10995035, 17592056, 21990070, 43980140, 87960280]

約数ペア:

[(1, 87960280), (2, 43980140), (4, 21990070), (5, 17592056), (8, 10995035), (10, 8796028), (20, 4398014), (23, 3824360), (40, 2199007), (46, 1912180), (67, 1312840), (92, 956090), (115, 764872), (134, 656420), (184, 478045), (230, 382436), (268, 328210), (335, 262568), (460, 191218), (536, 164105), (670, 131284), (920, 95609), (1340, 65642), (1427, 61640), (1541, 57080), (2680, 32821), (2854, 30820), (3082, 28540), (5708, 15410), (6164, 14270), (7135, 12328), (7705, 11416)]