2008596720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643781}}^1$

素因数の和:643810

約数の個数: 80

約数和(自身を含む): 6705633312

約数和(自身を除く): 4697036592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 643781, 1287562, 1931343, 2575124, 3218905, 3862686, 5150248, 6437810, 7725372, 8369153, 9656715, 10300496, 12875620, 15450744, 16738306, 19313430, 25107459, 25751240, 30901488, 33476612, 38626860, 41845765, 50214918, 51502480, 66953224, 77253720, 83691530, 100429836, 125537295, 133906448, 154507440, 167383060, 200859672, 251074590, 334766120, 401719344, 502149180, 669532240, 1004298360, 2008596720]

約数ペア:

[(1, 2008596720), (2, 1004298360), (3, 669532240), (4, 502149180), (5, 401719344), (6, 334766120), (8, 251074590), (10, 200859672), (12, 167383060), (13, 154507440), (15, 133906448), (16, 125537295), (20, 100429836), (24, 83691530), (26, 77253720), (30, 66953224), (39, 51502480), (40, 50214918), (48, 41845765), (52, 38626860), (60, 33476612), (65, 30901488), (78, 25751240), (80, 25107459), (104, 19313430), (120, 16738306), (130, 15450744), (156, 12875620), (195, 10300496), (208, 9656715), (240, 8369153), (260, 7725372), (312, 6437810), (390, 5150248), (520, 3862686), (624, 3218905), (780, 2575124), (1040, 1931343), (1560, 1287562), (3120, 643781)]