661471840

素因数分解:

$2^5\times 5^1\times {\mathrm{683}}^1\times {\mathrm{6053}}^1$

素因数の和:6751

約数の個数: 48

約数和(自身を含む): 1565273808

約数和(自身を除く): 903801968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 683, 1366, 2732, 3415, 5464, 6053, 6830, 10928, 12106, 13660, 21856, 24212, 27320, 30265, 48424, 54640, 60530, 96848, 109280, 121060, 193696, 242120, 484240, 968480, 4134199, 8268398, 16536796, 20670995, 33073592, 41341990, 66147184, 82683980, 132294368, 165367960, 330735920, 661471840]

約数ペア:

[(1, 661471840), (2, 330735920), (4, 165367960), (5, 132294368), (8, 82683980), (10, 66147184), (16, 41341990), (20, 33073592), (32, 20670995), (40, 16536796), (80, 8268398), (160, 4134199), (683, 968480), (1366, 484240), (2732, 242120), (3415, 193696), (5464, 121060), (6053, 109280), (6830, 96848), (10928, 60530), (12106, 54640), (13660, 48424), (21856, 30265), (24212, 27320)]