145906040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1187}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 376358400

約数和(自身を除く): 230452360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1187, 1756, 2195, 2374, 3073, 3512, 4390, 4748, 5935, 6146, 8309, 8780, 9496, 11870, 12292, 15365, 16618, 17560, 23740, 24584, 30730, 33236, 41545, 47480, 61460, 66472, 83090, 122920, 166180, 332360, 521093, 1042186, 2084372, 2605465, 3647651, 4168744, 5210930, 7295302, 10421860, 14590604, 18238255, 20843720, 29181208, 36476510, 72953020, 145906040]

約数ペア:

[(1, 145906040), (2, 72953020), (4, 36476510), (5, 29181208), (7, 20843720), (8, 18238255), (10, 14590604), (14, 10421860), (20, 7295302), (28, 5210930), (35, 4168744), (40, 3647651), (56, 2605465), (70, 2084372), (140, 1042186), (280, 521093), (439, 332360), (878, 166180), (1187, 122920), (1756, 83090), (2195, 66472), (2374, 61460), (3073, 47480), (3512, 41545), (4390, 33236), (4748, 30730), (5935, 24584), (6146, 23740), (8309, 17560), (8780, 16618), (9496, 15365), (11870, 12292)]