205004040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1657}}^1$

素因数の和:2702

約数の個数: 64

約数和(自身を含む): 615980160

約数和(自身を除く): 410976120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1031, 1657, 2062, 3093, 3314, 4124, 4971, 5155, 6186, 6628, 8248, 8285, 9942, 10310, 12372, 13256, 15465, 16570, 19884, 20620, 24744, 24855, 30930, 33140, 39768, 41240, 49710, 61860, 66280, 99420, 123720, 198840, 1708367, 3416734, 5125101, 6833468, 8541835, 10250202, 13666936, 17083670, 20500404, 25625505, 34167340, 41000808, 51251010, 68334680, 102502020, 205004040]

約数ペア:

[(1, 205004040), (2, 102502020), (3, 68334680), (4, 51251010), (5, 41000808), (6, 34167340), (8, 25625505), (10, 20500404), (12, 17083670), (15, 13666936), (20, 10250202), (24, 8541835), (30, 6833468), (40, 5125101), (60, 3416734), (120, 1708367), (1031, 198840), (1657, 123720), (2062, 99420), (3093, 66280), (3314, 61860), (4124, 49710), (4971, 41240), (5155, 39768), (6186, 33140), (6628, 30930), (8248, 24855), (8285, 24744), (9942, 20620), (10310, 19884), (12372, 16570), (13256, 15465)]