155890920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1303}}^1$

素因数の和:2314

約数の個数: 64

約数和(自身を含む): 468501120

約数和(自身を除く): 312610200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1303, 1994, 2606, 2991, 3909, 3988, 4985, 5212, 5982, 6515, 7818, 7976, 9970, 10424, 11964, 13030, 14955, 15636, 19545, 19940, 23928, 26060, 29910, 31272, 39090, 39880, 52120, 59820, 78180, 119640, 156360, 1299091, 2598182, 3897273, 5196364, 6495455, 7794546, 10392728, 12990910, 15589092, 19486365, 25981820, 31178184, 38972730, 51963640, 77945460, 155890920]

約数ペア:

[(1, 155890920), (2, 77945460), (3, 51963640), (4, 38972730), (5, 31178184), (6, 25981820), (8, 19486365), (10, 15589092), (12, 12990910), (15, 10392728), (20, 7794546), (24, 6495455), (30, 5196364), (40, 3897273), (60, 2598182), (120, 1299091), (997, 156360), (1303, 119640), (1994, 78180), (2606, 59820), (2991, 52120), (3909, 39880), (3988, 39090), (4985, 31272), (5212, 29910), (5982, 26060), (6515, 23928), (7818, 19940), (7976, 19545), (9970, 15636), (10424, 14955), (11964, 13030)]