71280120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 221644800

約数和(自身を除く): 150364680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 79, 103, 120, 146, 158, 206, 219, 237, 292, 309, 316, 365, 395, 412, 438, 474, 515, 584, 618, 632, 730, 790, 824, 876, 948, 1030, 1095, 1185, 1236, 1460, 1545, 1580, 1752, 1896, 2060, 2190, 2370, 2472, 2920, 3090, 3160, 4120, 4380, 4740, 5767, 6180, 7519, 8137, 8760, 9480, 11534, 12360, 15038, 16274, 17301, 22557, 23068, 24411, 28835, 30076, 32548, 34602, 37595, 40685, 45114, 46136, 48822, 57670, 60152, 65096, 69204, 75190, 81370, 86505, 90228, 97644, 112785, 115340, 122055, 138408, 150380, 162740, 173010, 180456, 195288, 225570, 230680, 244110, 300760, 325480, 346020, 451140, 488220, 594001, 692040, 902280, 976440, 1188002, 1782003, 2376004, 2970005, 3564006, 4752008, 5940010, 7128012, 8910015, 11880020, 14256024, 17820030, 23760040, 35640060, 71280120]

約数ペア:

[(1, 71280120), (2, 35640060), (3, 23760040), (4, 17820030), (5, 14256024), (6, 11880020), (8, 8910015), (10, 7128012), (12, 5940010), (15, 4752008), (20, 3564006), (24, 2970005), (30, 2376004), (40, 1782003), (60, 1188002), (73, 976440), (79, 902280), (103, 692040), (120, 594001), (146, 488220), (158, 451140), (206, 346020), (219, 325480), (237, 300760), (292, 244110), (309, 230680), (316, 225570), (365, 195288), (395, 180456), (412, 173010), (438, 162740), (474, 150380), (515, 138408), (584, 122055), (618, 115340), (632, 112785), (730, 97644), (790, 90228), (824, 86505), (876, 81370), (948, 75190), (1030, 69204), (1095, 65096), (1185, 60152), (1236, 57670), (1460, 48822), (1545, 46136), (1580, 45114), (1752, 40685), (1896, 37595), (2060, 34602), (2190, 32548), (2370, 30076), (2472, 28835), (2920, 24411), (3090, 23068), (3160, 22557), (4120, 17301), (4380, 16274), (4740, 15038), (5767, 12360), (6180, 11534), (7519, 9480), (8137, 8760)]