81537208720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1\times {\mathrm{1301}}^1$

素因数の和:1865

約数の個数: 160

約数和(自身を含む): 208539152640

約数和(自身を除く): 127001943920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 229, 311, 440, 458, 622, 880, 916, 1145, 1244, 1301, 1555, 1832, 2290, 2488, 2519, 2602, 3110, 3421, 3664, 4580, 4976, 5038, 5204, 6220, 6505, 6842, 9160, 10076, 10408, 12440, 12595, 13010, 13684, 14311, 17105, 18320, 20152, 20816, 24880, 25190, 26020, 27368, 28622, 34210, 40304, 50380, 52040, 54736, 57244, 68420, 71219, 71555, 100760, 104080, 114488, 136840, 142438, 143110, 201520, 228976, 273680, 284876, 286220, 297929, 356095, 404611, 569752, 572440, 595858, 712190, 783409, 809222, 1139504, 1144880, 1191716, 1424380, 1489645, 1566818, 1618444, 2023055, 2383432, 2848760, 2979290, 3133636, 3236888, 3277219, 3917045, 4046110, 4450721, 4766864, 5697520, 5958580, 6267272, 6473776, 6554438, 7834090, 8092220, 8901442, 11917160, 12534544, 13108876, 15668180, 16184440, 16386095, 17802884, 22253605, 23834320, 26217752, 31336360, 32368880, 32772190, 35605768, 44507210, 52435504, 62672720, 65544380, 71211536, 89014420, 92655919, 131088760, 178028840, 185311838, 262177520, 356057680, 370623676, 463279595, 741247352, 926559190, 1019215109, 1482494704, 1853118380, 2038430218, 3706236760, 4076860436, 5096075545, 7412473520, 8153720872, 10192151090, 16307441744, 20384302180, 40768604360, 81537208720]

約数ペア:

[(1, 81537208720), (2, 40768604360), (4, 20384302180), (5, 16307441744), (8, 10192151090), (10, 8153720872), (11, 7412473520), (16, 5096075545), (20, 4076860436), (22, 3706236760), (40, 2038430218), (44, 1853118380), (55, 1482494704), (80, 1019215109), (88, 926559190), (110, 741247352), (176, 463279595), (220, 370623676), (229, 356057680), (311, 262177520), (440, 185311838), (458, 178028840), (622, 131088760), (880, 92655919), (916, 89014420), (1145, 71211536), (1244, 65544380), (1301, 62672720), (1555, 52435504), (1832, 44507210), (2290, 35605768), (2488, 32772190), (2519, 32368880), (2602, 31336360), (3110, 26217752), (3421, 23834320), (3664, 22253605), (4580, 17802884), (4976, 16386095), (5038, 16184440), (5204, 15668180), (6220, 13108876), (6505, 12534544), (6842, 11917160), (9160, 8901442), (10076, 8092220), (10408, 7834090), (12440, 6554438), (12595, 6473776), (13010, 6267272), (13684, 5958580), (14311, 5697520), (17105, 4766864), (18320, 4450721), (20152, 4046110), (20816, 3917045), (24880, 3277219), (25190, 3236888), (26020, 3133636), (27368, 2979290), (28622, 2848760), (34210, 2383432), (40304, 2023055), (50380, 1618444), (52040, 1566818), (54736, 1489645), (57244, 1424380), (68420, 1191716), (71219, 1144880), (71555, 1139504), (100760, 809222), (104080, 783409), (114488, 712190), (136840, 595858), (142438, 572440), (143110, 569752), (201520, 404611), (228976, 356095), (273680, 297929), (284876, 286220)]