81162030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 202549248

約数和(自身を除く): 121387218

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 197, 310, 394, 443, 465, 591, 886, 930, 985, 1182, 1329, 1970, 2215, 2658, 2955, 4430, 5910, 6107, 6645, 12214, 13290, 13733, 18321, 27466, 30535, 36642, 41199, 61070, 68665, 82398, 87271, 91605, 137330, 174542, 183210, 205995, 261813, 411990, 436355, 523626, 872710, 1309065, 2618130, 2705401, 5410802, 8116203, 13527005, 16232406, 27054010, 40581015, 81162030]

約数ペア:

[(1, 81162030), (2, 40581015), (3, 27054010), (5, 16232406), (6, 13527005), (10, 8116203), (15, 5410802), (30, 2705401), (31, 2618130), (62, 1309065), (93, 872710), (155, 523626), (186, 436355), (197, 411990), (310, 261813), (394, 205995), (443, 183210), (465, 174542), (591, 137330), (886, 91605), (930, 87271), (985, 82398), (1182, 68665), (1329, 61070), (1970, 41199), (2215, 36642), (2658, 30535), (2955, 27466), (4430, 18321), (5910, 13733), (6107, 13290), (6645, 12214)]