1971319260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{1289}}^1$

素因数の和:1731

約数の個数: 96

約数和(自身を含む): 5617382400

約数和(自身を除く): 3646063140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 359, 426, 710, 718, 852, 1065, 1077, 1289, 1420, 1436, 1795, 2130, 2154, 2578, 3590, 3867, 4260, 4308, 5156, 5385, 6445, 7180, 7734, 10770, 12890, 15468, 19335, 21540, 25489, 25780, 38670, 50978, 76467, 77340, 91519, 101956, 127445, 152934, 183038, 254890, 274557, 305868, 366076, 382335, 457595, 462751, 509780, 549114, 764670, 915190, 925502, 1098228, 1372785, 1388253, 1529340, 1830380, 1851004, 2313755, 2745570, 2776506, 4627510, 5491140, 5553012, 6941265, 9255020, 13882530, 27765060, 32855321, 65710642, 98565963, 131421284, 164276605, 197131926, 328553210, 394263852, 492829815, 657106420, 985659630, 1971319260]

約数ペア:

[(1, 1971319260), (2, 985659630), (3, 657106420), (4, 492829815), (5, 394263852), (6, 328553210), (10, 197131926), (12, 164276605), (15, 131421284), (20, 98565963), (30, 65710642), (60, 32855321), (71, 27765060), (142, 13882530), (213, 9255020), (284, 6941265), (355, 5553012), (359, 5491140), (426, 4627510), (710, 2776506), (718, 2745570), (852, 2313755), (1065, 1851004), (1077, 1830380), (1289, 1529340), (1420, 1388253), (1436, 1372785), (1795, 1098228), (2130, 925502), (2154, 915190), (2578, 764670), (3590, 549114), (3867, 509780), (4260, 462751), (4308, 457595), (5156, 382335), (5385, 366076), (6445, 305868), (7180, 274557), (7734, 254890), (10770, 183038), (12890, 152934), (15468, 127445), (19335, 101956), (21540, 91519), (25489, 77340), (25780, 76467), (38670, 50978)]