291235920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1213483}}^1$

素因数の和:1213499

約数の個数: 40

約数和(自身を含む): 902832096

約数和(自身を除く): 611596176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1213483, 2426966, 3640449, 4853932, 6067415, 7280898, 9707864, 12134830, 14561796, 18202245, 19415728, 24269660, 29123592, 36404490, 48539320, 58247184, 72808980, 97078640, 145617960, 291235920]

約数ペア:

[(1, 291235920), (2, 145617960), (3, 97078640), (4, 72808980), (5, 58247184), (6, 48539320), (8, 36404490), (10, 29123592), (12, 24269660), (15, 19415728), (16, 18202245), (20, 14561796), (24, 12134830), (30, 9707864), (40, 7280898), (48, 6067415), (60, 4853932), (80, 3640449), (120, 2426966), (240, 1213483)]