131438700

素因数分解:

$2^2\times 3^7\times 5^2\times {\mathrm{601}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 428479520

約数和(自身を除く): 297040820

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, 270, 300, 324, 405, 450, 486, 540, 601, 675, 729, 810, 900, 972, 1202, 1215, 1350, 1458, 1620, 1803, 2025, 2187, 2404, 2430, 2700, 2916, 3005, 3606, 3645, 4050, 4374, 4860, 5409, 6010, 6075, 7212, 7290, 8100, 8748, 9015, 10818, 10935, 12020, 12150, 14580, 15025, 16227, 18030, 18225, 21636, 21870, 24300, 27045, 30050, 32454, 36060, 36450, 43740, 45075, 48681, 54090, 54675, 60100, 64908, 72900, 81135, 90150, 97362, 108180, 109350, 135225, 146043, 162270, 180300, 194724, 218700, 243405, 270450, 292086, 324540, 405675, 438129, 486810, 540900, 584172, 730215, 811350, 876258, 973620, 1217025, 1314387, 1460430, 1622700, 1752516, 2190645, 2434050, 2628774, 2920860, 3651075, 4381290, 4868100, 5257548, 6571935, 7302150, 8762580, 10953225, 13143870, 14604300, 21906450, 26287740, 32859675, 43812900, 65719350, 131438700]

約数ペア:

[(1, 131438700), (2, 65719350), (3, 43812900), (4, 32859675), (5, 26287740), (6, 21906450), (9, 14604300), (10, 13143870), (12, 10953225), (15, 8762580), (18, 7302150), (20, 6571935), (25, 5257548), (27, 4868100), (30, 4381290), (36, 3651075), (45, 2920860), (50, 2628774), (54, 2434050), (60, 2190645), (75, 1752516), (81, 1622700), (90, 1460430), (100, 1314387), (108, 1217025), (135, 973620), (150, 876258), (162, 811350), (180, 730215), (225, 584172), (243, 540900), (270, 486810), (300, 438129), (324, 405675), (405, 324540), (450, 292086), (486, 270450), (540, 243405), (601, 218700), (675, 194724), (729, 180300), (810, 162270), (900, 146043), (972, 135225), (1202, 109350), (1215, 108180), (1350, 97362), (1458, 90150), (1620, 81135), (1803, 72900), (2025, 64908), (2187, 60100), (2404, 54675), (2430, 54090), (2700, 48681), (2916, 45075), (3005, 43740), (3606, 36450), (3645, 36060), (4050, 32454), (4374, 30050), (4860, 27045), (5409, 24300), (6010, 21870), (6075, 21636), (7212, 18225), (7290, 18030), (8100, 16227), (8748, 15025), (9015, 14580), (10818, 12150), (10935, 12020)]