19765893120

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{643421}}^1$

素因数の和:643451

約数の個数: 96

約数和(自身を含む): 63235514160

約数和(自身を除く): 43469621040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 5120, 6144, 7680, 10240, 15360, 30720, 643421, 1286842, 1930263, 2573684, 3217105, 3860526, 5147368, 6434210, 7721052, 9651315, 10294736, 12868420, 15442104, 19302630, 20589472, 25736840, 30884208, 38605260, 41178944, 51473680, 61768416, 77210520, 82357888, 102947360, 123536832, 154421040, 164715776, 205894720, 247073664, 308842080, 329431552, 411789440, 494147328, 617684160, 658863104, 823578880, 988294656, 1235368320, 1317726208, 1647157760, 1976589312, 2470736640, 3294315520, 3953178624, 4941473280, 6588631040, 9882946560, 19765893120]

約数ペア:

[(1, 19765893120), (2, 9882946560), (3, 6588631040), (4, 4941473280), (5, 3953178624), (6, 3294315520), (8, 2470736640), (10, 1976589312), (12, 1647157760), (15, 1317726208), (16, 1235368320), (20, 988294656), (24, 823578880), (30, 658863104), (32, 617684160), (40, 494147328), (48, 411789440), (60, 329431552), (64, 308842080), (80, 247073664), (96, 205894720), (120, 164715776), (128, 154421040), (160, 123536832), (192, 102947360), (240, 82357888), (256, 77210520), (320, 61768416), (384, 51473680), (480, 41178944), (512, 38605260), (640, 30884208), (768, 25736840), (960, 20589472), (1024, 19302630), (1280, 15442104), (1536, 12868420), (1920, 10294736), (2048, 9651315), (2560, 7721052), (3072, 6434210), (3840, 5147368), (5120, 3860526), (6144, 3217105), (7680, 2573684), (10240, 1930263), (15360, 1286842), (30720, 643421)]