18968040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 256

約数和(自身を含む): 78220800

約数和(自身を除く): 59252760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 193, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 386, 390, 420, 455, 468, 504, 520, 540, 546, 579, 585, 630, 702, 728, 756, 772, 780, 819, 840, 910, 936, 945, 965, 1080, 1092, 1158, 1170, 1260, 1351, 1365, 1404, 1512, 1544, 1560, 1638, 1737, 1755, 1820, 1890, 1930, 2184, 2316, 2340, 2457, 2509, 2520, 2702, 2730, 2808, 2895, 3276, 3474, 3510, 3640, 3780, 3860, 4053, 4095, 4632, 4680, 4914, 5018, 5211, 5404, 5460, 5790, 6552, 6755, 6948, 7020, 7527, 7560, 7720, 8106, 8190, 8685, 9828, 10036, 10422, 10808, 10920, 11580, 12159, 12285, 12545, 13510, 13896, 14040, 15054, 16212, 16380, 17370, 17563, 19656, 20072, 20265, 20844, 22581, 23160, 24318, 24570, 25090, 26055, 27020, 30108, 32424, 32760, 34740, 35126, 36477, 37635, 40530, 41688, 45162, 48636, 49140, 50180, 52110, 52689, 54040, 60216, 60795, 67743, 69480, 70252, 72954, 75270, 81060, 87815, 90324, 97272, 98280, 100360, 104220, 105378, 112905, 121590, 135486, 140504, 145908, 150540, 158067, 162120, 175630, 180648, 182385, 208440, 210756, 225810, 243180, 263445, 270972, 291816, 301080, 316134, 338715, 351260, 364770, 421512, 451620, 474201, 486360, 526890, 541944, 632268, 677430, 702520, 729540, 790335, 903240, 948402, 1053780, 1264536, 1354860, 1459080, 1580670, 1896804, 2107560, 2371005, 2709720, 3161340, 3793608, 4742010, 6322680, 9484020, 18968040]

約数ペア:

[(1, 18968040), (2, 9484020), (3, 6322680), (4, 4742010), (5, 3793608), (6, 3161340), (7, 2709720), (8, 2371005), (9, 2107560), (10, 1896804), (12, 1580670), (13, 1459080), (14, 1354860), (15, 1264536), (18, 1053780), (20, 948402), (21, 903240), (24, 790335), (26, 729540), (27, 702520), (28, 677430), (30, 632268), (35, 541944), (36, 526890), (39, 486360), (40, 474201), (42, 451620), (45, 421512), (52, 364770), (54, 351260), (56, 338715), (60, 316134), (63, 301080), (65, 291816), (70, 270972), (72, 263445), (78, 243180), (84, 225810), (90, 210756), (91, 208440), (104, 182385), (105, 180648), (108, 175630), (117, 162120), (120, 158067), (126, 150540), (130, 145908), (135, 140504), (140, 135486), (156, 121590), (168, 112905), (180, 105378), (182, 104220), (189, 100360), (193, 98280), (195, 97272), (210, 90324), (216, 87815), (234, 81060), (252, 75270), (260, 72954), (270, 70252), (273, 69480), (280, 67743), (312, 60795), (315, 60216), (351, 54040), (360, 52689), (364, 52110), (378, 50180), (386, 49140), (390, 48636), (420, 45162), (455, 41688), (468, 40530), (504, 37635), (520, 36477), (540, 35126), (546, 34740), (579, 32760), (585, 32424), (630, 30108), (702, 27020), (728, 26055), (756, 25090), (772, 24570), (780, 24318), (819, 23160), (840, 22581), (910, 20844), (936, 20265), (945, 20072), (965, 19656), (1080, 17563), (1092, 17370), (1158, 16380), (1170, 16212), (1260, 15054), (1351, 14040), (1365, 13896), (1404, 13510), (1512, 12545), (1544, 12285), (1560, 12159), (1638, 11580), (1737, 10920), (1755, 10808), (1820, 10422), (1890, 10036), (1930, 9828), (2184, 8685), (2316, 8190), (2340, 8106), (2457, 7720), (2509, 7560), (2520, 7527), (2702, 7020), (2730, 6948), (2808, 6755), (2895, 6552), (3276, 5790), (3474, 5460), (3510, 5404), (3640, 5211), (3780, 5018), (3860, 4914), (4053, 4680), (4095, 4632)]