71784144

素因数分解:

$2^4\times 3^5\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 214396000

約数和(自身を除く): 142611856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 81, 108, 111, 144, 148, 162, 216, 222, 243, 296, 324, 333, 432, 444, 486, 499, 592, 648, 666, 888, 972, 998, 999, 1296, 1332, 1497, 1776, 1944, 1996, 1998, 2664, 2994, 2997, 3888, 3992, 3996, 4491, 5328, 5988, 5994, 7984, 7992, 8982, 8991, 11976, 11988, 13473, 15984, 17964, 17982, 18463, 23952, 23976, 26946, 35928, 35964, 36926, 40419, 47952, 53892, 55389, 71856, 71928, 73852, 80838, 107784, 110778, 121257, 143856, 147704, 161676, 166167, 215568, 221556, 242514, 295408, 323352, 332334, 443112, 485028, 498501, 646704, 664668, 886224, 970056, 997002, 1329336, 1495503, 1940112, 1994004, 2658672, 2991006, 3988008, 4486509, 5982012, 7976016, 8973018, 11964024, 17946036, 23928048, 35892072, 71784144]

約数ペア:

[(1, 71784144), (2, 35892072), (3, 23928048), (4, 17946036), (6, 11964024), (8, 8973018), (9, 7976016), (12, 5982012), (16, 4486509), (18, 3988008), (24, 2991006), (27, 2658672), (36, 1994004), (37, 1940112), (48, 1495503), (54, 1329336), (72, 997002), (74, 970056), (81, 886224), (108, 664668), (111, 646704), (144, 498501), (148, 485028), (162, 443112), (216, 332334), (222, 323352), (243, 295408), (296, 242514), (324, 221556), (333, 215568), (432, 166167), (444, 161676), (486, 147704), (499, 143856), (592, 121257), (648, 110778), (666, 107784), (888, 80838), (972, 73852), (998, 71928), (999, 71856), (1296, 55389), (1332, 53892), (1497, 47952), (1776, 40419), (1944, 36926), (1996, 35964), (1998, 35928), (2664, 26946), (2994, 23976), (2997, 23952), (3888, 18463), (3992, 17982), (3996, 17964), (4491, 15984), (5328, 13473), (5988, 11988), (5994, 11976), (7984, 8991), (7992, 8982)]