81785640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:931

約数の個数: 128

約数和(自身を含む): 265628160

約数和(自身を除く): 183842520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 85, 94, 102, 120, 136, 141, 170, 188, 204, 235, 255, 282, 340, 376, 408, 470, 510, 564, 680, 705, 799, 853, 940, 1020, 1128, 1410, 1598, 1706, 1880, 2040, 2397, 2559, 2820, 3196, 3412, 3995, 4265, 4794, 5118, 5640, 6392, 6824, 7990, 8530, 9588, 10236, 11985, 12795, 14501, 15980, 17060, 19176, 20472, 23970, 25590, 29002, 31960, 34120, 40091, 43503, 47940, 51180, 58004, 72505, 80182, 87006, 95880, 102360, 116008, 120273, 145010, 160364, 174012, 200455, 217515, 240546, 290020, 320728, 348024, 400910, 435030, 481092, 580040, 601365, 681547, 801820, 870060, 962184, 1202730, 1363094, 1603640, 1740120, 2044641, 2405460, 2726188, 3407735, 4089282, 4810920, 5452376, 6815470, 8178564, 10223205, 13630940, 16357128, 20446410, 27261880, 40892820, 81785640]

約数ペア:

[(1, 81785640), (2, 40892820), (3, 27261880), (4, 20446410), (5, 16357128), (6, 13630940), (8, 10223205), (10, 8178564), (12, 6815470), (15, 5452376), (17, 4810920), (20, 4089282), (24, 3407735), (30, 2726188), (34, 2405460), (40, 2044641), (47, 1740120), (51, 1603640), (60, 1363094), (68, 1202730), (85, 962184), (94, 870060), (102, 801820), (120, 681547), (136, 601365), (141, 580040), (170, 481092), (188, 435030), (204, 400910), (235, 348024), (255, 320728), (282, 290020), (340, 240546), (376, 217515), (408, 200455), (470, 174012), (510, 160364), (564, 145010), (680, 120273), (705, 116008), (799, 102360), (853, 95880), (940, 87006), (1020, 80182), (1128, 72505), (1410, 58004), (1598, 51180), (1706, 47940), (1880, 43503), (2040, 40091), (2397, 34120), (2559, 31960), (2820, 29002), (3196, 25590), (3412, 23970), (3995, 20472), (4265, 19176), (4794, 17060), (5118, 15980), (5640, 14501), (6392, 12795), (6824, 11985), (7990, 10236), (8530, 9588)]