138641220

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 168

約数和(自身を含む): 450062424

約数和(自身を除く): 311421204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 257, 270, 324, 333, 370, 405, 444, 486, 514, 540, 555, 666, 729, 740, 771, 810, 972, 999, 1028, 1110, 1215, 1285, 1332, 1458, 1542, 1620, 1665, 1998, 2220, 2313, 2430, 2570, 2916, 2997, 3084, 3330, 3645, 3855, 3996, 4626, 4860, 4995, 5140, 5994, 6660, 6939, 7290, 7710, 8991, 9252, 9509, 9990, 11565, 11988, 13878, 14580, 14985, 15420, 17982, 19018, 19980, 20817, 23130, 26973, 27756, 28527, 29970, 34695, 35964, 38036, 41634, 44955, 46260, 47545, 53946, 57054, 59940, 62451, 69390, 83268, 85581, 89910, 95090, 104085, 107892, 114108, 124902, 134865, 138780, 142635, 171162, 179820, 187353, 190180, 208170, 249804, 256743, 269730, 285270, 312255, 342324, 374706, 416340, 427905, 513486, 539460, 570540, 624510, 749412, 770229, 855810, 936765, 1026972, 1249020, 1283715, 1540458, 1711620, 1873530, 2310687, 2567430, 3080916, 3747060, 3851145, 4621374, 5134860, 6932061, 7702290, 9242748, 11553435, 13864122, 15404580, 23106870, 27728244, 34660305, 46213740, 69320610, 138641220]

約数ペア:

[(1, 138641220), (2, 69320610), (3, 46213740), (4, 34660305), (5, 27728244), (6, 23106870), (9, 15404580), (10, 13864122), (12, 11553435), (15, 9242748), (18, 7702290), (20, 6932061), (27, 5134860), (30, 4621374), (36, 3851145), (37, 3747060), (45, 3080916), (54, 2567430), (60, 2310687), (74, 1873530), (81, 1711620), (90, 1540458), (108, 1283715), (111, 1249020), (135, 1026972), (148, 936765), (162, 855810), (180, 770229), (185, 749412), (222, 624510), (243, 570540), (257, 539460), (270, 513486), (324, 427905), (333, 416340), (370, 374706), (405, 342324), (444, 312255), (486, 285270), (514, 269730), (540, 256743), (555, 249804), (666, 208170), (729, 190180), (740, 187353), (771, 179820), (810, 171162), (972, 142635), (999, 138780), (1028, 134865), (1110, 124902), (1215, 114108), (1285, 107892), (1332, 104085), (1458, 95090), (1542, 89910), (1620, 85581), (1665, 83268), (1998, 69390), (2220, 62451), (2313, 59940), (2430, 57054), (2570, 53946), (2916, 47545), (2997, 46260), (3084, 44955), (3330, 41634), (3645, 38036), (3855, 35964), (3996, 34695), (4626, 29970), (4860, 28527), (4995, 27756), (5140, 26973), (5994, 23130), (6660, 20817), (6939, 19980), (7290, 19018), (7710, 17982), (8991, 15420), (9252, 14985), (9509, 14580), (9990, 13878), (11565, 11988)]