81065160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1861}}^1$

素因数の和:1900

約数の個数: 144

約数和(自身を含む): 289745820

約数和(自身を除く): 208680660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1861, 1980, 2178, 2420, 2904, 3630, 3722, 3960, 4356, 4840, 5445, 5583, 7260, 7444, 8712, 9305, 10890, 11166, 14520, 14888, 16749, 18610, 20471, 21780, 22332, 27915, 33498, 37220, 40942, 43560, 44664, 55830, 61413, 66996, 74440, 81884, 83745, 102355, 111660, 122826, 133992, 163768, 167490, 184239, 204710, 223320, 225181, 245652, 307065, 334980, 368478, 409420, 450362, 491304, 614130, 669960, 675543, 736956, 818840, 900724, 921195, 1125905, 1228260, 1351086, 1473912, 1801448, 1842390, 2026629, 2251810, 2456520, 2702172, 3377715, 3684780, 4053258, 4503620, 5404344, 6755430, 7369560, 8106516, 9007240, 10133145, 13510860, 16213032, 20266290, 27021720, 40532580, 81065160]

約数ペア:

[(1, 81065160), (2, 40532580), (3, 27021720), (4, 20266290), (5, 16213032), (6, 13510860), (8, 10133145), (9, 9007240), (10, 8106516), (11, 7369560), (12, 6755430), (15, 5404344), (18, 4503620), (20, 4053258), (22, 3684780), (24, 3377715), (30, 2702172), (33, 2456520), (36, 2251810), (40, 2026629), (44, 1842390), (45, 1801448), (55, 1473912), (60, 1351086), (66, 1228260), (72, 1125905), (88, 921195), (90, 900724), (99, 818840), (110, 736956), (120, 675543), (121, 669960), (132, 614130), (165, 491304), (180, 450362), (198, 409420), (220, 368478), (242, 334980), (264, 307065), (330, 245652), (360, 225181), (363, 223320), (396, 204710), (440, 184239), (484, 167490), (495, 163768), (605, 133992), (660, 122826), (726, 111660), (792, 102355), (968, 83745), (990, 81884), (1089, 74440), (1210, 66996), (1320, 61413), (1452, 55830), (1815, 44664), (1861, 43560), (1980, 40942), (2178, 37220), (2420, 33498), (2904, 27915), (3630, 22332), (3722, 21780), (3960, 20471), (4356, 18610), (4840, 16749), (5445, 14888), (5583, 14520), (7260, 11166), (7444, 10890), (8712, 9305)]