201908280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1709

約数の個数: 128

約数和(自身を含む): 697121280

約数和(自身を除く): 495213000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1531, 1570, 1884, 2198, 2355, 3062, 3140, 3297, 3768, 4396, 4593, 4710, 5495, 6124, 6280, 6594, 7655, 8792, 9186, 9420, 10717, 10990, 12248, 13188, 15310, 16485, 18372, 18840, 21434, 21980, 22965, 26376, 30620, 32151, 32970, 36744, 42868, 43960, 45930, 53585, 61240, 64302, 65940, 85736, 91860, 107170, 128604, 131880, 160755, 183720, 214340, 240367, 257208, 321510, 428680, 480734, 643020, 721101, 961468, 1201835, 1286040, 1442202, 1682569, 1922936, 2403670, 2884404, 3365138, 3605505, 4807340, 5047707, 5768808, 6730276, 7211010, 8412845, 9614680, 10095414, 13460552, 14422020, 16825690, 20190828, 25238535, 28844040, 33651380, 40381656, 50477070, 67302760, 100954140, 201908280]

約数ペア:

[(1, 201908280), (2, 100954140), (3, 67302760), (4, 50477070), (5, 40381656), (6, 33651380), (7, 28844040), (8, 25238535), (10, 20190828), (12, 16825690), (14, 14422020), (15, 13460552), (20, 10095414), (21, 9614680), (24, 8412845), (28, 7211010), (30, 6730276), (35, 5768808), (40, 5047707), (42, 4807340), (56, 3605505), (60, 3365138), (70, 2884404), (84, 2403670), (105, 1922936), (120, 1682569), (140, 1442202), (157, 1286040), (168, 1201835), (210, 961468), (280, 721101), (314, 643020), (420, 480734), (471, 428680), (628, 321510), (785, 257208), (840, 240367), (942, 214340), (1099, 183720), (1256, 160755), (1531, 131880), (1570, 128604), (1884, 107170), (2198, 91860), (2355, 85736), (3062, 65940), (3140, 64302), (3297, 61240), (3768, 53585), (4396, 45930), (4593, 43960), (4710, 42868), (5495, 36744), (6124, 32970), (6280, 32151), (6594, 30620), (7655, 26376), (8792, 22965), (9186, 21980), (9420, 21434), (10717, 18840), (10990, 18372), (12248, 16485), (13188, 15310)]