320711868

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27581}}^1$

素因数の和:27627

約数の個数: 72

約数和(自身を含む): 903586320

約数和(自身を除く): 582874452

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1938, 2907, 3876, 5814, 11628, 27581, 55162, 82743, 110324, 165486, 248229, 330972, 468877, 496458, 524039, 937754, 992916, 1048078, 1406631, 1572117, 1875508, 2096156, 2813262, 3144234, 4219893, 4716351, 5626524, 6288468, 8439786, 8908663, 9432702, 16879572, 17817326, 18865404, 26725989, 35634652, 53451978, 80177967, 106903956, 160355934, 320711868]

約数ペア:

[(1, 320711868), (2, 160355934), (3, 106903956), (4, 80177967), (6, 53451978), (9, 35634652), (12, 26725989), (17, 18865404), (18, 17817326), (19, 16879572), (34, 9432702), (36, 8908663), (38, 8439786), (51, 6288468), (57, 5626524), (68, 4716351), (76, 4219893), (102, 3144234), (114, 2813262), (153, 2096156), (171, 1875508), (204, 1572117), (228, 1406631), (306, 1048078), (323, 992916), (342, 937754), (612, 524039), (646, 496458), (684, 468877), (969, 330972), (1292, 248229), (1938, 165486), (2907, 110324), (3876, 82743), (5814, 55162), (11628, 27581)]