128536520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 357868800

約数和(自身を除く): 229332280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 518, 532, 653, 665, 703, 740, 760, 1036, 1064, 1295, 1306, 1330, 1406, 1480, 2072, 2590, 2612, 2660, 2812, 3265, 3515, 4571, 4921, 5180, 5224, 5320, 5624, 6530, 7030, 9142, 9842, 10360, 12407, 13060, 14060, 18284, 19684, 22855, 24161, 24605, 24814, 26120, 28120, 36568, 39368, 45710, 48322, 49210, 49628, 62035, 86849, 91420, 96644, 98420, 99256, 120805, 124070, 169127, 173698, 182840, 193288, 196840, 241610, 248140, 338254, 347396, 434245, 459059, 483220, 496280, 676508, 694792, 845635, 868490, 918118, 966440, 1353016, 1691270, 1736980, 1836236, 2295295, 3213413, 3382540, 3473960, 3672472, 4590590, 6426826, 6765080, 9181180, 12853652, 16067065, 18362360, 25707304, 32134130, 64268260, 128536520]

約数ペア:

[(1, 128536520), (2, 64268260), (4, 32134130), (5, 25707304), (7, 18362360), (8, 16067065), (10, 12853652), (14, 9181180), (19, 6765080), (20, 6426826), (28, 4590590), (35, 3672472), (37, 3473960), (38, 3382540), (40, 3213413), (56, 2295295), (70, 1836236), (74, 1736980), (76, 1691270), (95, 1353016), (133, 966440), (140, 918118), (148, 868490), (152, 845635), (185, 694792), (190, 676508), (259, 496280), (266, 483220), (280, 459059), (296, 434245), (370, 347396), (380, 338254), (518, 248140), (532, 241610), (653, 196840), (665, 193288), (703, 182840), (740, 173698), (760, 169127), (1036, 124070), (1064, 120805), (1295, 99256), (1306, 98420), (1330, 96644), (1406, 91420), (1480, 86849), (2072, 62035), (2590, 49628), (2612, 49210), (2660, 48322), (2812, 45710), (3265, 39368), (3515, 36568), (4571, 28120), (4921, 26120), (5180, 24814), (5224, 24605), (5320, 24161), (5624, 22855), (6530, 19684), (7030, 18284), (9142, 14060), (9842, 13060), (10360, 12407)]