213985680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1951}}^1$

素因数の和:2424

約数の個数: 80

約数和(自身を含む): 665147904

約数和(自身を除く): 451162224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 914, 1371, 1828, 1951, 2285, 2742, 3656, 3902, 4570, 5484, 5853, 6855, 7312, 7804, 9140, 9755, 10968, 11706, 13710, 15608, 18280, 19510, 21936, 23412, 27420, 29265, 31216, 36560, 39020, 46824, 54840, 58530, 78040, 93648, 109680, 117060, 156080, 234120, 468240, 891607, 1783214, 2674821, 3566428, 4458035, 5349642, 7132856, 8916070, 10699284, 13374105, 14265712, 17832140, 21398568, 26748210, 35664280, 42797136, 53496420, 71328560, 106992840, 213985680]

約数ペア:

[(1, 213985680), (2, 106992840), (3, 71328560), (4, 53496420), (5, 42797136), (6, 35664280), (8, 26748210), (10, 21398568), (12, 17832140), (15, 14265712), (16, 13374105), (20, 10699284), (24, 8916070), (30, 7132856), (40, 5349642), (48, 4458035), (60, 3566428), (80, 2674821), (120, 1783214), (240, 891607), (457, 468240), (914, 234120), (1371, 156080), (1828, 117060), (1951, 109680), (2285, 93648), (2742, 78040), (3656, 58530), (3902, 54840), (4570, 46824), (5484, 39020), (5853, 36560), (6855, 31216), (7312, 29265), (7804, 27420), (9140, 23412), (9755, 21936), (10968, 19510), (11706, 18280), (13710, 15608)]