81288480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1899

約数の個数: 192

約数和(自身を含む): 315318528

約数和(自身を除く): 234030048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 1861, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 3722, 4368, 5460, 5583, 6240, 7280, 7444, 8736, 9305, 10920, 11166, 13027, 14560, 14888, 18610, 21840, 22332, 24193, 26054, 27915, 29776, 37220, 39081, 43680, 44664, 48386, 52108, 55830, 59552, 65135, 72579, 74440, 78162, 89328, 96772, 104216, 111660, 120965, 130270, 145158, 148880, 156324, 169351, 178656, 193544, 195405, 208432, 223320, 241930, 260540, 290316, 297760, 312648, 338702, 362895, 387088, 390810, 416864, 446640, 483860, 508053, 521080, 580632, 625296, 677404, 725790, 774176, 781620, 846755, 893280, 967720, 1016106, 1042160, 1161264, 1250592, 1354808, 1451580, 1563240, 1693510, 1935440, 2032212, 2084320, 2322528, 2540265, 2709616, 2903160, 3126480, 3387020, 3870880, 4064424, 5080530, 5419232, 5806320, 6252960, 6774040, 8128848, 10161060, 11612640, 13548080, 16257696, 20322120, 27096160, 40644240, 81288480]

約数ペア:

[(1, 81288480), (2, 40644240), (3, 27096160), (4, 20322120), (5, 16257696), (6, 13548080), (7, 11612640), (8, 10161060), (10, 8128848), (12, 6774040), (13, 6252960), (14, 5806320), (15, 5419232), (16, 5080530), (20, 4064424), (21, 3870880), (24, 3387020), (26, 3126480), (28, 2903160), (30, 2709616), (32, 2540265), (35, 2322528), (39, 2084320), (40, 2032212), (42, 1935440), (48, 1693510), (52, 1563240), (56, 1451580), (60, 1354808), (65, 1250592), (70, 1161264), (78, 1042160), (80, 1016106), (84, 967720), (91, 893280), (96, 846755), (104, 781620), (105, 774176), (112, 725790), (120, 677404), (130, 625296), (140, 580632), (156, 521080), (160, 508053), (168, 483860), (182, 446640), (195, 416864), (208, 390810), (210, 387088), (224, 362895), (240, 338702), (260, 312648), (273, 297760), (280, 290316), (312, 260540), (336, 241930), (364, 223320), (390, 208432), (416, 195405), (420, 193544), (455, 178656), (480, 169351), (520, 156324), (546, 148880), (560, 145158), (624, 130270), (672, 120965), (728, 111660), (780, 104216), (840, 96772), (910, 89328), (1040, 78162), (1092, 74440), (1120, 72579), (1248, 65135), (1365, 59552), (1456, 55830), (1560, 52108), (1680, 48386), (1820, 44664), (1861, 43680), (2080, 39081), (2184, 37220), (2730, 29776), (2912, 27915), (3120, 26054), (3360, 24193), (3640, 22332), (3722, 21840), (4368, 18610), (5460, 14888), (5583, 14560), (6240, 13027), (7280, 11166), (7444, 10920), (8736, 9305)]