31920048

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2051

約数の個数: 80

約数和(自身を含む): 94145760

約数和(自身を除く): 62225712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1332, 1776, 1997, 1998, 2664, 3994, 3996, 5328, 5991, 7988, 7992, 11982, 15976, 15984, 17973, 23964, 31952, 35946, 47928, 53919, 71892, 73889, 95856, 107838, 143784, 147778, 215676, 221667, 287568, 295556, 431352, 443334, 591112, 665001, 862704, 886668, 1182224, 1330002, 1773336, 1995003, 2660004, 3546672, 3990006, 5320008, 7980012, 10640016, 15960024, 31920048]

約数ペア:

[(1, 31920048), (2, 15960024), (3, 10640016), (4, 7980012), (6, 5320008), (8, 3990006), (9, 3546672), (12, 2660004), (16, 1995003), (18, 1773336), (24, 1330002), (27, 1182224), (36, 886668), (37, 862704), (48, 665001), (54, 591112), (72, 443334), (74, 431352), (108, 295556), (111, 287568), (144, 221667), (148, 215676), (216, 147778), (222, 143784), (296, 107838), (333, 95856), (432, 73889), (444, 71892), (592, 53919), (666, 47928), (888, 35946), (999, 31952), (1332, 23964), (1776, 17973), (1997, 15984), (1998, 15976), (2664, 11982), (3994, 7992), (3996, 7988), (5328, 5991)]