81994080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1109

約数の個数: 192

約数和(自身を含む): 308302848

約数和(自身を除く): 226308768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1061, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2122, 2208, 2415, 2576, 2760, 3183, 3220, 3360, 3680, 3864, 4244, 4830, 5152, 5305, 5520, 6366, 6440, 7427, 7728, 8488, 9660, 10610, 11040, 12732, 12880, 14854, 15456, 15915, 16976, 19320, 21220, 22281, 24403, 25464, 25760, 29708, 31830, 33952, 37135, 38640, 42440, 44562, 48806, 50928, 59416, 63660, 73209, 74270, 77280, 84880, 89124, 97612, 101856, 111405, 118832, 122015, 127320, 146418, 148540, 169760, 170821, 178248, 195224, 222810, 237664, 244030, 254640, 292836, 297080, 341642, 356496, 366045, 390448, 445620, 488060, 509280, 512463, 585672, 594160, 683284, 712992, 732090, 780896, 854105, 891240, 976120, 1024926, 1171344, 1188320, 1366568, 1464180, 1708210, 1782480, 1952240, 2049852, 2342688, 2562315, 2733136, 2928360, 3416420, 3564960, 3904480, 4099704, 5124630, 5466272, 5856720, 6832840, 8199408, 10249260, 11713440, 13665680, 16398816, 20498520, 27331360, 40997040, 81994080]

約数ペア:

[(1, 81994080), (2, 40997040), (3, 27331360), (4, 20498520), (5, 16398816), (6, 13665680), (7, 11713440), (8, 10249260), (10, 8199408), (12, 6832840), (14, 5856720), (15, 5466272), (16, 5124630), (20, 4099704), (21, 3904480), (23, 3564960), (24, 3416420), (28, 2928360), (30, 2733136), (32, 2562315), (35, 2342688), (40, 2049852), (42, 1952240), (46, 1782480), (48, 1708210), (56, 1464180), (60, 1366568), (69, 1188320), (70, 1171344), (80, 1024926), (84, 976120), (92, 891240), (96, 854105), (105, 780896), (112, 732090), (115, 712992), (120, 683284), (138, 594160), (140, 585672), (160, 512463), (161, 509280), (168, 488060), (184, 445620), (210, 390448), (224, 366045), (230, 356496), (240, 341642), (276, 297080), (280, 292836), (322, 254640), (336, 244030), (345, 237664), (368, 222810), (420, 195224), (460, 178248), (480, 170821), (483, 169760), (552, 148540), (560, 146418), (644, 127320), (672, 122015), (690, 118832), (736, 111405), (805, 101856), (840, 97612), (920, 89124), (966, 84880), (1061, 77280), (1104, 74270), (1120, 73209), (1288, 63660), (1380, 59416), (1610, 50928), (1680, 48806), (1840, 44562), (1932, 42440), (2122, 38640), (2208, 37135), (2415, 33952), (2576, 31830), (2760, 29708), (3183, 25760), (3220, 25464), (3360, 24403), (3680, 22281), (3864, 21220), (4244, 19320), (4830, 16976), (5152, 15915), (5305, 15456), (5520, 14854), (6366, 12880), (6440, 12732), (7427, 11040), (7728, 10610), (8488, 9660)]