639741120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5087}}^1$

素因数の和:5238

約数の個数: 112

約数和(自身を含む): 2047085568

約数和(自身を除く): 1407344448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 131, 160, 192, 240, 262, 320, 393, 480, 524, 655, 786, 960, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4192, 5087, 5240, 6288, 7860, 8384, 10174, 10480, 12576, 15261, 15720, 20348, 20960, 25152, 25435, 30522, 31440, 40696, 41920, 50870, 61044, 62880, 76305, 81392, 101740, 122088, 125760, 152610, 162784, 203480, 244176, 305220, 325568, 406960, 488352, 610440, 666397, 813920, 976704, 1220880, 1332794, 1627840, 1999191, 2441760, 2665588, 3331985, 3998382, 4883520, 5331176, 6663970, 7996764, 9995955, 10662352, 13327940, 15993528, 19991910, 21324704, 26655880, 31987056, 39983820, 42649408, 53311760, 63974112, 79967640, 106623520, 127948224, 159935280, 213247040, 319870560, 639741120]

約数ペア:

[(1, 639741120), (2, 319870560), (3, 213247040), (4, 159935280), (5, 127948224), (6, 106623520), (8, 79967640), (10, 63974112), (12, 53311760), (15, 42649408), (16, 39983820), (20, 31987056), (24, 26655880), (30, 21324704), (32, 19991910), (40, 15993528), (48, 13327940), (60, 10662352), (64, 9995955), (80, 7996764), (96, 6663970), (120, 5331176), (131, 4883520), (160, 3998382), (192, 3331985), (240, 2665588), (262, 2441760), (320, 1999191), (393, 1627840), (480, 1332794), (524, 1220880), (655, 976704), (786, 813920), (960, 666397), (1048, 610440), (1310, 488352), (1572, 406960), (1965, 325568), (2096, 305220), (2620, 244176), (3144, 203480), (3930, 162784), (4192, 152610), (5087, 125760), (5240, 122088), (6288, 101740), (7860, 81392), (8384, 76305), (10174, 62880), (10480, 61044), (12576, 50870), (15261, 41920), (15720, 40696), (20348, 31440), (20960, 30522), (25152, 25435)]