161281470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 465315840

約数和(自身を除く): 304034370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 71, 87, 105, 142, 145, 174, 203, 210, 213, 290, 355, 373, 406, 426, 435, 497, 609, 710, 746, 870, 994, 1015, 1065, 1119, 1218, 1491, 1865, 2030, 2059, 2130, 2238, 2485, 2611, 2982, 3045, 3730, 4118, 4970, 5222, 5595, 6090, 6177, 7455, 7833, 10295, 10817, 11190, 12354, 13055, 14413, 14910, 15666, 20590, 21634, 26110, 26483, 28826, 30885, 32451, 39165, 43239, 52966, 54085, 61770, 64902, 72065, 75719, 78330, 79449, 86478, 108170, 132415, 144130, 151438, 158898, 162255, 185381, 216195, 227157, 264830, 324510, 370762, 378595, 397245, 432390, 454314, 556143, 757190, 768007, 794490, 926905, 1112286, 1135785, 1536014, 1853810, 2271570, 2304021, 2780715, 3840035, 4608042, 5376049, 5561430, 7680070, 10752098, 11520105, 16128147, 23040210, 26880245, 32256294, 53760490, 80640735, 161281470]

約数ペア:

[(1, 161281470), (2, 80640735), (3, 53760490), (5, 32256294), (6, 26880245), (7, 23040210), (10, 16128147), (14, 11520105), (15, 10752098), (21, 7680070), (29, 5561430), (30, 5376049), (35, 4608042), (42, 3840035), (58, 2780715), (70, 2304021), (71, 2271570), (87, 1853810), (105, 1536014), (142, 1135785), (145, 1112286), (174, 926905), (203, 794490), (210, 768007), (213, 757190), (290, 556143), (355, 454314), (373, 432390), (406, 397245), (426, 378595), (435, 370762), (497, 324510), (609, 264830), (710, 227157), (746, 216195), (870, 185381), (994, 162255), (1015, 158898), (1065, 151438), (1119, 144130), (1218, 132415), (1491, 108170), (1865, 86478), (2030, 79449), (2059, 78330), (2130, 75719), (2238, 72065), (2485, 64902), (2611, 61770), (2982, 54085), (3045, 52966), (3730, 43239), (4118, 39165), (4970, 32451), (5222, 30885), (5595, 28826), (6090, 26483), (6177, 26110), (7455, 21634), (7833, 20590), (10295, 15666), (10817, 14910), (11190, 14413), (12354, 13055)]