87931980

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 168

約数和(自身を含む): 286086192

約数和(自身を除く): 198154212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 163, 180, 185, 222, 243, 270, 324, 326, 333, 370, 405, 444, 486, 489, 540, 555, 652, 666, 729, 740, 810, 815, 972, 978, 999, 1110, 1215, 1332, 1458, 1467, 1620, 1630, 1665, 1956, 1998, 2220, 2430, 2445, 2916, 2934, 2997, 3260, 3330, 3645, 3996, 4401, 4860, 4890, 4995, 5868, 5994, 6031, 6660, 7290, 7335, 8802, 8991, 9780, 9990, 11988, 12062, 13203, 14580, 14670, 14985, 17604, 17982, 18093, 19980, 22005, 24124, 26406, 26973, 29340, 29970, 30155, 35964, 36186, 39609, 44010, 44955, 52812, 53946, 54279, 59940, 60310, 66015, 72372, 79218, 88020, 89910, 90465, 107892, 108558, 118827, 120620, 132030, 134865, 158436, 162837, 179820, 180930, 198045, 217116, 237654, 264060, 269730, 271395, 325674, 361860, 396090, 475308, 488511, 539460, 542790, 594135, 651348, 792180, 814185, 977022, 1085580, 1188270, 1465533, 1628370, 1954044, 2376540, 2442555, 2931066, 3256740, 4396599, 4885110, 5862132, 7327665, 8793198, 9770220, 14655330, 17586396, 21982995, 29310660, 43965990, 87931980]

約数ペア:

[(1, 87931980), (2, 43965990), (3, 29310660), (4, 21982995), (5, 17586396), (6, 14655330), (9, 9770220), (10, 8793198), (12, 7327665), (15, 5862132), (18, 4885110), (20, 4396599), (27, 3256740), (30, 2931066), (36, 2442555), (37, 2376540), (45, 1954044), (54, 1628370), (60, 1465533), (74, 1188270), (81, 1085580), (90, 977022), (108, 814185), (111, 792180), (135, 651348), (148, 594135), (162, 542790), (163, 539460), (180, 488511), (185, 475308), (222, 396090), (243, 361860), (270, 325674), (324, 271395), (326, 269730), (333, 264060), (370, 237654), (405, 217116), (444, 198045), (486, 180930), (489, 179820), (540, 162837), (555, 158436), (652, 134865), (666, 132030), (729, 120620), (740, 118827), (810, 108558), (815, 107892), (972, 90465), (978, 89910), (999, 88020), (1110, 79218), (1215, 72372), (1332, 66015), (1458, 60310), (1467, 59940), (1620, 54279), (1630, 53946), (1665, 52812), (1956, 44955), (1998, 44010), (2220, 39609), (2430, 36186), (2445, 35964), (2916, 30155), (2934, 29970), (2997, 29340), (3260, 26973), (3330, 26406), (3645, 24124), (3996, 22005), (4401, 19980), (4860, 18093), (4890, 17982), (4995, 17604), (5868, 14985), (5994, 14670), (6031, 14580), (6660, 13203), (7290, 12062), (7335, 11988), (8802, 9990), (8991, 9780)]