2157840

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{37}}^1$

素因数の和:68

約数の個数: 140

約数和(自身を含む): 7725324

約数和(自身を除く): 5567484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 243, 270, 296, 324, 333, 360, 370, 405, 432, 444, 486, 540, 555, 592, 648, 666, 720, 729, 740, 810, 888, 972, 999, 1080, 1110, 1215, 1296, 1332, 1458, 1480, 1620, 1665, 1776, 1944, 1998, 2160, 2220, 2430, 2664, 2916, 2960, 2997, 3240, 3330, 3645, 3888, 3996, 4440, 4860, 4995, 5328, 5832, 5994, 6480, 6660, 7290, 7992, 8880, 8991, 9720, 9990, 11664, 11988, 13320, 14580, 14985, 15984, 17982, 19440, 19980, 23976, 26640, 26973, 29160, 29970, 35964, 39960, 44955, 47952, 53946, 58320, 59940, 71928, 79920, 89910, 107892, 119880, 134865, 143856, 179820, 215784, 239760, 269730, 359640, 431568, 539460, 719280, 1078920, 2157840]

約数ペア:

[(1, 2157840), (2, 1078920), (3, 719280), (4, 539460), (5, 431568), (6, 359640), (8, 269730), (9, 239760), (10, 215784), (12, 179820), (15, 143856), (16, 134865), (18, 119880), (20, 107892), (24, 89910), (27, 79920), (30, 71928), (36, 59940), (37, 58320), (40, 53946), (45, 47952), (48, 44955), (54, 39960), (60, 35964), (72, 29970), (74, 29160), (80, 26973), (81, 26640), (90, 23976), (108, 19980), (111, 19440), (120, 17982), (135, 15984), (144, 14985), (148, 14580), (162, 13320), (180, 11988), (185, 11664), (216, 9990), (222, 9720), (240, 8991), (243, 8880), (270, 7992), (296, 7290), (324, 6660), (333, 6480), (360, 5994), (370, 5832), (405, 5328), (432, 4995), (444, 4860), (486, 4440), (540, 3996), (555, 3888), (592, 3645), (648, 3330), (666, 3240), (720, 2997), (729, 2960), (740, 2916), (810, 2664), (888, 2430), (972, 2220), (999, 2160), (1080, 1998), (1110, 1944), (1215, 1776), (1296, 1665), (1332, 1620), (1458, 1480)]