720891828

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{2141}}^1$

素因数の和:2397

約数の個数: 72

約数和(自身を含む): 1871251200

約数和(自身を除く): 1150359372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 199, 282, 398, 423, 564, 597, 796, 846, 1194, 1692, 1791, 2141, 2388, 3582, 4282, 6423, 7164, 8564, 9353, 12846, 18706, 19269, 25692, 28059, 37412, 38538, 56118, 77076, 84177, 100627, 112236, 168354, 201254, 301881, 336708, 402508, 426059, 603762, 852118, 905643, 1207524, 1278177, 1704236, 1811286, 2556354, 3622572, 3834531, 5112708, 7669062, 15338124, 20024773, 40049546, 60074319, 80099092, 120148638, 180222957, 240297276, 360445914, 720891828]

約数ペア:

[(1, 720891828), (2, 360445914), (3, 240297276), (4, 180222957), (6, 120148638), (9, 80099092), (12, 60074319), (18, 40049546), (36, 20024773), (47, 15338124), (94, 7669062), (141, 5112708), (188, 3834531), (199, 3622572), (282, 2556354), (398, 1811286), (423, 1704236), (564, 1278177), (597, 1207524), (796, 905643), (846, 852118), (1194, 603762), (1692, 426059), (1791, 402508), (2141, 336708), (2388, 301881), (3582, 201254), (4282, 168354), (6423, 112236), (7164, 100627), (8564, 84177), (9353, 77076), (12846, 56118), (18706, 38538), (19269, 37412), (25692, 28059)]