18661320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:524

約数の個数: 128

約数和(自身を含む): 64022400

約数和(自身を除く): 45361080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 467, 540, 555, 666, 740, 888, 934, 999, 1080, 1110, 1332, 1401, 1480, 1665, 1868, 1998, 2220, 2335, 2664, 2802, 3330, 3736, 3996, 4203, 4440, 4670, 4995, 5604, 6660, 7005, 7992, 8406, 9340, 9990, 11208, 12609, 13320, 14010, 16812, 17279, 18680, 19980, 21015, 25218, 28020, 33624, 34558, 39960, 42030, 50436, 51837, 56040, 63045, 69116, 84060, 86395, 100872, 103674, 126090, 138232, 155511, 168120, 172790, 207348, 252180, 259185, 311022, 345580, 414696, 466533, 504360, 518370, 622044, 691160, 777555, 933066, 1036740, 1244088, 1555110, 1866132, 2073480, 2332665, 3110220, 3732264, 4665330, 6220440, 9330660, 18661320]

約数ペア:

[(1, 18661320), (2, 9330660), (3, 6220440), (4, 4665330), (5, 3732264), (6, 3110220), (8, 2332665), (9, 2073480), (10, 1866132), (12, 1555110), (15, 1244088), (18, 1036740), (20, 933066), (24, 777555), (27, 691160), (30, 622044), (36, 518370), (37, 504360), (40, 466533), (45, 414696), (54, 345580), (60, 311022), (72, 259185), (74, 252180), (90, 207348), (108, 172790), (111, 168120), (120, 155511), (135, 138232), (148, 126090), (180, 103674), (185, 100872), (216, 86395), (222, 84060), (270, 69116), (296, 63045), (333, 56040), (360, 51837), (370, 50436), (444, 42030), (467, 39960), (540, 34558), (555, 33624), (666, 28020), (740, 25218), (888, 21015), (934, 19980), (999, 18680), (1080, 17279), (1110, 16812), (1332, 14010), (1401, 13320), (1480, 12609), (1665, 11208), (1868, 9990), (1998, 9340), (2220, 8406), (2335, 7992), (2664, 7005), (2802, 6660), (3330, 5604), (3736, 4995), (3996, 4670), (4203, 4440)]