51621660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 168307776

約数和(自身を除く): 116686116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 337, 345, 370, 414, 444, 460, 555, 666, 674, 690, 740, 828, 851, 1011, 1035, 1110, 1332, 1348, 1380, 1665, 1685, 1702, 2022, 2070, 2220, 2553, 3033, 3330, 3370, 3404, 4044, 4140, 4255, 5055, 5106, 6066, 6660, 6740, 7659, 7751, 8510, 10110, 10212, 12132, 12469, 12765, 15165, 15318, 15502, 17020, 20220, 23253, 24938, 25530, 30330, 30636, 31004, 37407, 38295, 38755, 46506, 49876, 51060, 60660, 62345, 69759, 74814, 76590, 77510, 93012, 112221, 116265, 124690, 139518, 149628, 153180, 155020, 187035, 224442, 232530, 249380, 279036, 286787, 348795, 374070, 448884, 465060, 561105, 573574, 697590, 748140, 860361, 1122210, 1147148, 1395180, 1433935, 1720722, 2244420, 2581083, 2867870, 3441444, 4301805, 5162166, 5735740, 8603610, 10324332, 12905415, 17207220, 25810830, 51621660]

約数ペア:

[(1, 51621660), (2, 25810830), (3, 17207220), (4, 12905415), (5, 10324332), (6, 8603610), (9, 5735740), (10, 5162166), (12, 4301805), (15, 3441444), (18, 2867870), (20, 2581083), (23, 2244420), (30, 1720722), (36, 1433935), (37, 1395180), (45, 1147148), (46, 1122210), (60, 860361), (69, 748140), (74, 697590), (90, 573574), (92, 561105), (111, 465060), (115, 448884), (138, 374070), (148, 348795), (180, 286787), (185, 279036), (207, 249380), (222, 232530), (230, 224442), (276, 187035), (333, 155020), (337, 153180), (345, 149628), (370, 139518), (414, 124690), (444, 116265), (460, 112221), (555, 93012), (666, 77510), (674, 76590), (690, 74814), (740, 69759), (828, 62345), (851, 60660), (1011, 51060), (1035, 49876), (1110, 46506), (1332, 38755), (1348, 38295), (1380, 37407), (1665, 31004), (1685, 30636), (1702, 30330), (2022, 25530), (2070, 24938), (2220, 23253), (2553, 20220), (3033, 17020), (3330, 15502), (3370, 15318), (3404, 15165), (4044, 12765), (4140, 12469), (4255, 12132), (5055, 10212), (5106, 10110), (6066, 8510), (6660, 7751), (6740, 7659)]