81158880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 192

約数和(自身を含む): 293932800

約数和(自身を除く): 212773920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 352, 380, 418, 440, 456, 480, 528, 570, 608, 627, 660, 760, 809, 836, 880, 912, 1045, 1056, 1140, 1254, 1320, 1520, 1618, 1672, 1760, 1824, 2090, 2280, 2427, 2508, 2640, 3040, 3135, 3236, 3344, 4045, 4180, 4560, 4854, 5016, 5280, 6270, 6472, 6688, 8090, 8360, 8899, 9120, 9708, 10032, 12135, 12540, 12944, 15371, 16180, 16720, 17798, 19416, 20064, 24270, 25080, 25888, 26697, 30742, 32360, 33440, 35596, 38832, 44495, 46113, 48540, 50160, 53394, 61484, 64720, 71192, 76855, 77664, 88990, 92226, 97080, 100320, 106788, 122968, 129440, 133485, 142384, 153710, 169081, 177980, 184452, 194160, 213576, 230565, 245936, 266970, 284768, 307420, 338162, 355960, 368904, 388320, 427152, 461130, 491872, 507243, 533940, 614840, 676324, 711920, 737808, 845405, 854304, 922260, 1014486, 1067880, 1229680, 1352648, 1423840, 1475616, 1690810, 1844520, 2028972, 2135760, 2459360, 2536215, 2705296, 3381620, 3689040, 4057944, 4271520, 5072430, 5410592, 6763240, 7378080, 8115888, 10144860, 13526480, 16231776, 20289720, 27052960, 40579440, 81158880]

約数ペア:

[(1, 81158880), (2, 40579440), (3, 27052960), (4, 20289720), (5, 16231776), (6, 13526480), (8, 10144860), (10, 8115888), (11, 7378080), (12, 6763240), (15, 5410592), (16, 5072430), (19, 4271520), (20, 4057944), (22, 3689040), (24, 3381620), (30, 2705296), (32, 2536215), (33, 2459360), (38, 2135760), (40, 2028972), (44, 1844520), (48, 1690810), (55, 1475616), (57, 1423840), (60, 1352648), (66, 1229680), (76, 1067880), (80, 1014486), (88, 922260), (95, 854304), (96, 845405), (110, 737808), (114, 711920), (120, 676324), (132, 614840), (152, 533940), (160, 507243), (165, 491872), (176, 461130), (190, 427152), (209, 388320), (220, 368904), (228, 355960), (240, 338162), (264, 307420), (285, 284768), (304, 266970), (330, 245936), (352, 230565), (380, 213576), (418, 194160), (440, 184452), (456, 177980), (480, 169081), (528, 153710), (570, 142384), (608, 133485), (627, 129440), (660, 122968), (760, 106788), (809, 100320), (836, 97080), (880, 92226), (912, 88990), (1045, 77664), (1056, 76855), (1140, 71192), (1254, 64720), (1320, 61484), (1520, 53394), (1618, 50160), (1672, 48540), (1760, 46113), (1824, 44495), (2090, 38832), (2280, 35596), (2427, 33440), (2508, 32360), (2640, 30742), (3040, 26697), (3135, 25888), (3236, 25080), (3344, 24270), (4045, 20064), (4180, 19416), (4560, 17798), (4854, 16720), (5016, 16180), (5280, 15371), (6270, 12944), (6472, 12540), (6688, 12135), (8090, 10032), (8360, 9708), (8899, 9120)]