81612900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 265399680

約数和(自身を除く): 183786780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 167, 180, 181, 225, 270, 300, 334, 362, 450, 501, 540, 543, 668, 675, 724, 835, 900, 905, 1002, 1086, 1350, 1503, 1629, 1670, 1810, 2004, 2172, 2505, 2700, 2715, 3006, 3258, 3340, 3620, 4175, 4509, 4525, 4887, 5010, 5430, 6012, 6516, 7515, 8145, 8350, 9018, 9050, 9774, 10020, 10860, 12525, 13575, 15030, 16290, 16700, 18036, 18100, 19548, 22545, 24435, 25050, 27150, 30060, 30227, 32580, 37575, 40725, 45090, 48870, 50100, 54300, 60454, 75150, 81450, 90180, 90681, 97740, 112725, 120908, 122175, 150300, 151135, 162900, 181362, 225450, 244350, 272043, 302270, 362724, 450900, 453405, 488700, 544086, 604540, 755675, 816129, 906810, 1088172, 1360215, 1511350, 1632258, 1813620, 2267025, 2720430, 3022700, 3264516, 4080645, 4534050, 5440860, 6801075, 8161290, 9068100, 13602150, 16322580, 20403225, 27204300, 40806450, 81612900]

約数ペア:

[(1, 81612900), (2, 40806450), (3, 27204300), (4, 20403225), (5, 16322580), (6, 13602150), (9, 9068100), (10, 8161290), (12, 6801075), (15, 5440860), (18, 4534050), (20, 4080645), (25, 3264516), (27, 3022700), (30, 2720430), (36, 2267025), (45, 1813620), (50, 1632258), (54, 1511350), (60, 1360215), (75, 1088172), (90, 906810), (100, 816129), (108, 755675), (135, 604540), (150, 544086), (167, 488700), (180, 453405), (181, 450900), (225, 362724), (270, 302270), (300, 272043), (334, 244350), (362, 225450), (450, 181362), (501, 162900), (540, 151135), (543, 150300), (668, 122175), (675, 120908), (724, 112725), (835, 97740), (900, 90681), (905, 90180), (1002, 81450), (1086, 75150), (1350, 60454), (1503, 54300), (1629, 50100), (1670, 48870), (1810, 45090), (2004, 40725), (2172, 37575), (2505, 32580), (2700, 30227), (2715, 30060), (3006, 27150), (3258, 25050), (3340, 24435), (3620, 22545), (4175, 19548), (4509, 18100), (4525, 18036), (4887, 16700), (5010, 16290), (5430, 15030), (6012, 13575), (6516, 12525), (7515, 10860), (8145, 10020), (8350, 9774), (9018, 9050)]