18735300

素因数分解:

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

素因数の和:289

約数の個数: 126

約数和(自身を含む): 61192698

約数和(自身を除く): 42457398

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 257, 270, 300, 324, 405, 450, 486, 514, 540, 675, 729, 771, 810, 900, 972, 1028, 1215, 1285, 1350, 1458, 1542, 1620, 2025, 2313, 2430, 2570, 2700, 2916, 3084, 3645, 3855, 4050, 4626, 4860, 5140, 6075, 6425, 6939, 7290, 7710, 8100, 9252, 11565, 12150, 12850, 13878, 14580, 15420, 18225, 19275, 20817, 23130, 24300, 25700, 27756, 34695, 36450, 38550, 41634, 46260, 57825, 62451, 69390, 72900, 77100, 83268, 104085, 115650, 124902, 138780, 173475, 187353, 208170, 231300, 249804, 312255, 346950, 374706, 416340, 520425, 624510, 693900, 749412, 936765, 1040850, 1249020, 1561275, 1873530, 2081700, 3122550, 3747060, 4683825, 6245100, 9367650, 18735300]

約数ペア:

[(1, 18735300), (2, 9367650), (3, 6245100), (4, 4683825), (5, 3747060), (6, 3122550), (9, 2081700), (10, 1873530), (12, 1561275), (15, 1249020), (18, 1040850), (20, 936765), (25, 749412), (27, 693900), (30, 624510), (36, 520425), (45, 416340), (50, 374706), (54, 346950), (60, 312255), (75, 249804), (81, 231300), (90, 208170), (100, 187353), (108, 173475), (135, 138780), (150, 124902), (162, 115650), (180, 104085), (225, 83268), (243, 77100), (257, 72900), (270, 69390), (300, 62451), (324, 57825), (405, 46260), (450, 41634), (486, 38550), (514, 36450), (540, 34695), (675, 27756), (729, 25700), (771, 24300), (810, 23130), (900, 20817), (972, 19275), (1028, 18225), (1215, 15420), (1285, 14580), (1350, 13878), (1458, 12850), (1542, 12150), (1620, 11565), (2025, 9252), (2313, 8100), (2430, 7710), (2570, 7290), (2700, 6939), (2916, 6425), (3084, 6075), (3645, 5140), (3855, 4860), (4050, 4626)]