13506446780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{787}}^1\times {\mathrm{2377}}^1$

素因数の和:3211

約数の個数: 72

約数和(自身を含む): 29985571728

約数和(自身を除く): 16479124948

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 787, 1444, 1574, 1805, 2377, 3148, 3610, 3935, 4754, 7220, 7870, 9508, 11885, 14953, 15740, 23770, 29906, 45163, 47540, 59812, 74765, 90326, 149530, 180652, 225815, 284107, 299060, 451630, 568214, 858097, 903260, 1136428, 1420535, 1716194, 1870699, 2841070, 3432388, 3741398, 4290485, 5682140, 7482796, 8580970, 9353495, 17161940, 18706990, 35543281, 37413980, 71086562, 142173124, 177716405, 355432810, 675322339, 710865620, 1350644678, 2701289356, 3376611695, 6753223390, 13506446780]

約数ペア:

[(1, 13506446780), (2, 6753223390), (4, 3376611695), (5, 2701289356), (10, 1350644678), (19, 710865620), (20, 675322339), (38, 355432810), (76, 177716405), (95, 142173124), (190, 71086562), (361, 37413980), (380, 35543281), (722, 18706990), (787, 17161940), (1444, 9353495), (1574, 8580970), (1805, 7482796), (2377, 5682140), (3148, 4290485), (3610, 3741398), (3935, 3432388), (4754, 2841070), (7220, 1870699), (7870, 1716194), (9508, 1420535), (11885, 1136428), (14953, 903260), (15740, 858097), (23770, 568214), (29906, 451630), (45163, 299060), (47540, 284107), (59812, 225815), (74765, 180652), (90326, 149530)]