20151139960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3129059}}^1$

素因数の和:3129100

約数の個数: 64

約数和(自身を含む): 54070156800

約数和(自身を除く): 33919016840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 3129059, 6258118, 12516236, 15645295, 21903413, 25032472, 31290590, 43806826, 62581180, 71968357, 87613652, 109517065, 125162360, 143936714, 175227304, 219034130, 287873428, 359841785, 438068260, 503778499, 575746856, 719683570, 876136520, 1007556998, 1439367140, 2015113996, 2518892495, 2878734280, 4030227992, 5037784990, 10075569980, 20151139960]

約数ペア:

[(1, 20151139960), (2, 10075569980), (4, 5037784990), (5, 4030227992), (7, 2878734280), (8, 2518892495), (10, 2015113996), (14, 1439367140), (20, 1007556998), (23, 876136520), (28, 719683570), (35, 575746856), (40, 503778499), (46, 438068260), (56, 359841785), (70, 287873428), (92, 219034130), (115, 175227304), (140, 143936714), (161, 125162360), (184, 109517065), (230, 87613652), (280, 71968357), (322, 62581180), (460, 43806826), (644, 31290590), (805, 25032472), (920, 21903413), (1288, 15645295), (1610, 12516236), (3220, 6258118), (6440, 3129059)]