642896640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{55807}}^1$

素因数の和:55834

約数の個数: 108

約数和(自身を含む): 2224395264

約数和(自身を除く): 1581498624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 55807, 111614, 167421, 223228, 279035, 334842, 446456, 502263, 558070, 669684, 837105, 892912, 1004526, 1116140, 1339368, 1674210, 1785824, 2009052, 2232280, 2511315, 2678736, 3348420, 3571648, 4018104, 4464560, 5022630, 5357472, 6696840, 7143296, 8036208, 8929120, 10045260, 10714944, 13393680, 14286592, 16072416, 17858240, 20090520, 21429888, 26787360, 32144832, 35716480, 40181040, 42859776, 53574720, 64289664, 71432960, 80362080, 107149440, 128579328, 160724160, 214298880, 321448320, 642896640]

約数ペア:

[(1, 642896640), (2, 321448320), (3, 214298880), (4, 160724160), (5, 128579328), (6, 107149440), (8, 80362080), (9, 71432960), (10, 64289664), (12, 53574720), (15, 42859776), (16, 40181040), (18, 35716480), (20, 32144832), (24, 26787360), (30, 21429888), (32, 20090520), (36, 17858240), (40, 16072416), (45, 14286592), (48, 13393680), (60, 10714944), (64, 10045260), (72, 8929120), (80, 8036208), (90, 7143296), (96, 6696840), (120, 5357472), (128, 5022630), (144, 4464560), (160, 4018104), (180, 3571648), (192, 3348420), (240, 2678736), (256, 2511315), (288, 2232280), (320, 2009052), (360, 1785824), (384, 1674210), (480, 1339368), (576, 1116140), (640, 1004526), (720, 892912), (768, 837105), (960, 669684), (1152, 558070), (1280, 502263), (1440, 446456), (1920, 334842), (2304, 279035), (2880, 223228), (3840, 167421), (5760, 111614), (11520, 55807)]