291229830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1399}}^1$

素因数の和:1675

約数の個数: 80

約数和(自身を含む): 786693600

約数和(自身を除く): 495463770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 257, 270, 405, 514, 771, 810, 1285, 1399, 1542, 2313, 2570, 2798, 3855, 4197, 4626, 6939, 6995, 7710, 8394, 11565, 12591, 13878, 13990, 20817, 20985, 23130, 25182, 34695, 37773, 41634, 41970, 62955, 69390, 75546, 104085, 113319, 125910, 188865, 208170, 226638, 359543, 377730, 566595, 719086, 1078629, 1133190, 1797715, 2157258, 3235887, 3595430, 5393145, 6471774, 9707661, 10786290, 16179435, 19415322, 29122983, 32358870, 48538305, 58245966, 97076610, 145614915, 291229830]

約数ペア:

[(1, 291229830), (2, 145614915), (3, 97076610), (5, 58245966), (6, 48538305), (9, 32358870), (10, 29122983), (15, 19415322), (18, 16179435), (27, 10786290), (30, 9707661), (45, 6471774), (54, 5393145), (81, 3595430), (90, 3235887), (135, 2157258), (162, 1797715), (257, 1133190), (270, 1078629), (405, 719086), (514, 566595), (771, 377730), (810, 359543), (1285, 226638), (1399, 208170), (1542, 188865), (2313, 125910), (2570, 113319), (2798, 104085), (3855, 75546), (4197, 69390), (4626, 62955), (6939, 41970), (6995, 41634), (7710, 37773), (8394, 34695), (11565, 25182), (12591, 23130), (13878, 20985), (13990, 20817)]