15309440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1297

約数の個数: 64

約数和(自身を含む): 38556000

約数和(自身を除く): 23246560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1259, 1520, 2432, 2518, 3040, 5036, 6080, 6295, 10072, 12160, 12590, 20144, 23921, 25180, 40288, 47842, 50360, 80576, 95684, 100720, 119605, 161152, 191368, 201440, 239210, 382736, 402880, 478420, 765472, 805760, 956840, 1530944, 1913680, 3061888, 3827360, 7654720, 15309440]

約数ペア:

[(1, 15309440), (2, 7654720), (4, 3827360), (5, 3061888), (8, 1913680), (10, 1530944), (16, 956840), (19, 805760), (20, 765472), (32, 478420), (38, 402880), (40, 382736), (64, 239210), (76, 201440), (80, 191368), (95, 161152), (128, 119605), (152, 100720), (160, 95684), (190, 80576), (304, 50360), (320, 47842), (380, 40288), (608, 25180), (640, 23921), (760, 20144), (1216, 12590), (1259, 12160), (1520, 10072), (2432, 6295), (2518, 6080), (3040, 5036)]