12180780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 39111072

約数和(自身を除く): 26930292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 103, 108, 135, 146, 162, 180, 206, 219, 270, 292, 309, 324, 365, 405, 412, 438, 515, 540, 618, 657, 730, 810, 876, 927, 1030, 1095, 1236, 1314, 1460, 1545, 1620, 1854, 1971, 2060, 2190, 2628, 2781, 3090, 3285, 3708, 3942, 4380, 4635, 5562, 5913, 6180, 6570, 7519, 7884, 8343, 9270, 9855, 11124, 11826, 13140, 13905, 15038, 16686, 18540, 19710, 22557, 23652, 27810, 29565, 30076, 33372, 37595, 39420, 41715, 45114, 55620, 59130, 67671, 75190, 83430, 90228, 112785, 118260, 135342, 150380, 166860, 203013, 225570, 270684, 338355, 406026, 451140, 609039, 676710, 812052, 1015065, 1218078, 1353420, 2030130, 2436156, 3045195, 4060260, 6090390, 12180780]

約数ペア:

[(1, 12180780), (2, 6090390), (3, 4060260), (4, 3045195), (5, 2436156), (6, 2030130), (9, 1353420), (10, 1218078), (12, 1015065), (15, 812052), (18, 676710), (20, 609039), (27, 451140), (30, 406026), (36, 338355), (45, 270684), (54, 225570), (60, 203013), (73, 166860), (81, 150380), (90, 135342), (103, 118260), (108, 112785), (135, 90228), (146, 83430), (162, 75190), (180, 67671), (206, 59130), (219, 55620), (270, 45114), (292, 41715), (309, 39420), (324, 37595), (365, 33372), (405, 30076), (412, 29565), (438, 27810), (515, 23652), (540, 22557), (618, 19710), (657, 18540), (730, 16686), (810, 15038), (876, 13905), (927, 13140), (1030, 11826), (1095, 11124), (1236, 9855), (1314, 9270), (1460, 8343), (1545, 7884), (1620, 7519), (1854, 6570), (1971, 6180), (2060, 5913), (2190, 5562), (2628, 4635), (2781, 4380), (3090, 3942), (3285, 3708)]