8120520

素因数分解:

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

素因数の和:196

約数の個数: 128

約数和(自身を含む): 27705600

約数和(自身を除く): 19585080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 103, 108, 120, 135, 146, 180, 206, 216, 219, 270, 292, 309, 360, 365, 412, 438, 515, 540, 584, 618, 657, 730, 824, 876, 927, 1030, 1080, 1095, 1236, 1314, 1460, 1545, 1752, 1854, 1971, 2060, 2190, 2472, 2628, 2781, 2920, 3090, 3285, 3708, 3942, 4120, 4380, 4635, 5256, 5562, 6180, 6570, 7416, 7519, 7884, 8760, 9270, 9855, 11124, 12360, 13140, 13905, 15038, 15768, 18540, 19710, 22248, 22557, 26280, 27810, 30076, 37080, 37595, 39420, 45114, 55620, 60152, 67671, 75190, 78840, 90228, 111240, 112785, 135342, 150380, 180456, 203013, 225570, 270684, 300760, 338355, 406026, 451140, 541368, 676710, 812052, 902280, 1015065, 1353420, 1624104, 2030130, 2706840, 4060260, 8120520]

約数ペア:

[(1, 8120520), (2, 4060260), (3, 2706840), (4, 2030130), (5, 1624104), (6, 1353420), (8, 1015065), (9, 902280), (10, 812052), (12, 676710), (15, 541368), (18, 451140), (20, 406026), (24, 338355), (27, 300760), (30, 270684), (36, 225570), (40, 203013), (45, 180456), (54, 150380), (60, 135342), (72, 112785), (73, 111240), (90, 90228), (103, 78840), (108, 75190), (120, 67671), (135, 60152), (146, 55620), (180, 45114), (206, 39420), (216, 37595), (219, 37080), (270, 30076), (292, 27810), (309, 26280), (360, 22557), (365, 22248), (412, 19710), (438, 18540), (515, 15768), (540, 15038), (584, 13905), (618, 13140), (657, 12360), (730, 11124), (824, 9855), (876, 9270), (927, 8760), (1030, 7884), (1080, 7519), (1095, 7416), (1236, 6570), (1314, 6180), (1460, 5562), (1545, 5256), (1752, 4635), (1854, 4380), (1971, 4120), (2060, 3942), (2190, 3708), (2472, 3285), (2628, 3090), (2781, 2920)]