15987070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 17605250

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 89, 110, 115, 142, 178, 230, 253, 355, 445, 506, 710, 781, 890, 979, 1265, 1562, 1633, 1958, 2047, 2530, 3266, 3905, 4094, 4895, 6319, 7810, 8165, 9790, 10235, 12638, 16330, 17963, 20470, 22517, 31595, 35926, 45034, 63190, 69509, 89815, 112585, 139018, 145337, 179630, 225170, 290674, 347545, 695090, 726685, 1453370, 1598707, 3197414, 7993535, 15987070]

約数ペア:

[(1, 15987070), (2, 7993535), (5, 3197414), (10, 1598707), (11, 1453370), (22, 726685), (23, 695090), (46, 347545), (55, 290674), (71, 225170), (89, 179630), (110, 145337), (115, 139018), (142, 112585), (178, 89815), (230, 69509), (253, 63190), (355, 45034), (445, 35926), (506, 31595), (710, 22517), (781, 20470), (890, 17963), (979, 16330), (1265, 12638), (1562, 10235), (1633, 9790), (1958, 8165), (2047, 7810), (2530, 6319), (3266, 4895), (3905, 4094)]