1566752920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{18913}}^1$

素因数の和:19052

約数の個数: 64

約数和(自身を含む): 3744972000

約数和(自身を除く): 2178219080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 18913, 20710, 37826, 41420, 75652, 82840, 94565, 151304, 189130, 359347, 378260, 718694, 756520, 1437388, 1796735, 2061517, 2874776, 3593470, 4123034, 7186940, 8246068, 10307585, 14373880, 16492136, 20615170, 39168823, 41230340, 78337646, 82460680, 156675292, 195844115, 313350584, 391688230, 783376460, 1566752920]

約数ペア:

[(1, 1566752920), (2, 783376460), (4, 391688230), (5, 313350584), (8, 195844115), (10, 156675292), (19, 82460680), (20, 78337646), (38, 41230340), (40, 39168823), (76, 20615170), (95, 16492136), (109, 14373880), (152, 10307585), (190, 8246068), (218, 7186940), (380, 4123034), (436, 3593470), (545, 2874776), (760, 2061517), (872, 1796735), (1090, 1437388), (2071, 756520), (2180, 718694), (4142, 378260), (4360, 359347), (8284, 189130), (10355, 151304), (16568, 94565), (18913, 82840), (20710, 75652), (37826, 41420)]