15665965045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 20404224000

約数和(自身を除く): 4738258955

約数列:

[1, 5, 23, 71, 79, 115, 149, 163, 355, 395, 745, 815, 1633, 1817, 3427, 3749, 5609, 8165, 9085, 10579, 11573, 11771, 12877, 17135, 18745, 24287, 28045, 52895, 57865, 58855, 64385, 121435, 129007, 243317, 266179, 270733, 296171, 558601, 645035, 835741, 914267, 1216585, 1330895, 1353665, 1480855, 1724377, 1918673, 2793005, 4178705, 4571335, 8621885, 9593365, 19222043, 21028141, 39660671, 44129479, 96110215, 105140705, 136225783, 198303355, 220647395, 681128915, 3133193009, 15665965045]

約数ペア:

[(1, 15665965045), (5, 3133193009), (23, 681128915), (71, 220647395), (79, 198303355), (115, 136225783), (149, 105140705), (163, 96110215), (355, 44129479), (395, 39660671), (745, 21028141), (815, 19222043), (1633, 9593365), (1817, 8621885), (3427, 4571335), (3749, 4178705), (5609, 2793005), (8165, 1918673), (9085, 1724377), (10579, 1480855), (11573, 1353665), (11771, 1330895), (12877, 1216585), (17135, 914267), (18745, 835741), (24287, 645035), (28045, 558601), (52895, 296171), (57865, 270733), (58855, 266179), (64385, 243317), (121435, 129007)]