81516180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 238097664

約数和(自身を除く): 156581484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 73, 74, 111, 146, 148, 185, 219, 222, 292, 365, 370, 438, 444, 503, 555, 730, 740, 876, 1006, 1095, 1110, 1460, 1509, 2012, 2190, 2220, 2515, 2701, 3018, 4380, 5030, 5402, 6036, 7545, 8103, 10060, 10804, 13505, 15090, 16206, 18611, 27010, 30180, 32412, 36719, 37222, 40515, 54020, 55833, 73438, 74444, 81030, 93055, 110157, 111666, 146876, 162060, 183595, 186110, 220314, 223332, 279165, 367190, 372220, 440628, 550785, 558330, 734380, 1101570, 1116660, 1358603, 2203140, 2717206, 4075809, 5434412, 6793015, 8151618, 13586030, 16303236, 20379045, 27172060, 40758090, 81516180]

約数ペア:

[(1, 81516180), (2, 40758090), (3, 27172060), (4, 20379045), (5, 16303236), (6, 13586030), (10, 8151618), (12, 6793015), (15, 5434412), (20, 4075809), (30, 2717206), (37, 2203140), (60, 1358603), (73, 1116660), (74, 1101570), (111, 734380), (146, 558330), (148, 550785), (185, 440628), (219, 372220), (222, 367190), (292, 279165), (365, 223332), (370, 220314), (438, 186110), (444, 183595), (503, 162060), (555, 146876), (730, 111666), (740, 110157), (876, 93055), (1006, 81030), (1095, 74444), (1110, 73438), (1460, 55833), (1509, 54020), (2012, 40515), (2190, 37222), (2220, 36719), (2515, 32412), (2701, 30180), (3018, 27010), (4380, 18611), (5030, 16206), (5402, 15090), (6036, 13505), (7545, 10804), (8103, 10060)]