19873680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4904

約数の個数: 80

約数和(自身を含む): 65245824

約数和(自身を除く): 45372144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4871, 9742, 14613, 19484, 24355, 29226, 38968, 48710, 58452, 73065, 77936, 82807, 97420, 116904, 146130, 165614, 194840, 233808, 248421, 292260, 331228, 389680, 414035, 496842, 584520, 662456, 828070, 993684, 1169040, 1242105, 1324912, 1656140, 1987368, 2484210, 3312280, 3974736, 4968420, 6624560, 9936840, 19873680]

約数ペア:

[(1, 19873680), (2, 9936840), (3, 6624560), (4, 4968420), (5, 3974736), (6, 3312280), (8, 2484210), (10, 1987368), (12, 1656140), (15, 1324912), (16, 1242105), (17, 1169040), (20, 993684), (24, 828070), (30, 662456), (34, 584520), (40, 496842), (48, 414035), (51, 389680), (60, 331228), (68, 292260), (80, 248421), (85, 233808), (102, 194840), (120, 165614), (136, 146130), (170, 116904), (204, 97420), (240, 82807), (255, 77936), (272, 73065), (340, 58452), (408, 48710), (510, 38968), (680, 29226), (816, 24355), (1020, 19484), (1360, 14613), (2040, 9742), (4080, 4871)]