215728000

素因数分解:

$2^7\times 5^3\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 545781600

約数和(自身を除く): 330053600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 125, 128, 139, 160, 194, 200, 250, 278, 320, 388, 400, 485, 500, 556, 640, 695, 776, 800, 970, 1000, 1112, 1390, 1552, 1600, 1940, 2000, 2224, 2425, 2780, 3104, 3200, 3475, 3880, 4000, 4448, 4850, 5560, 6208, 6950, 7760, 8000, 8896, 9700, 11120, 12125, 12416, 13483, 13900, 15520, 16000, 17375, 17792, 19400, 22240, 24250, 26966, 27800, 31040, 34750, 38800, 44480, 48500, 53932, 55600, 62080, 67415, 69500, 77600, 88960, 97000, 107864, 111200, 134830, 139000, 155200, 194000, 215728, 222400, 269660, 278000, 310400, 337075, 388000, 431456, 444800, 539320, 556000, 674150, 776000, 862912, 1078640, 1112000, 1348300, 1552000, 1685375, 1725824, 2157280, 2224000, 2696600, 3370750, 4314560, 5393200, 6741500, 8629120, 10786400, 13483000, 21572800, 26966000, 43145600, 53932000, 107864000, 215728000]

約数ペア:

[(1, 215728000), (2, 107864000), (4, 53932000), (5, 43145600), (8, 26966000), (10, 21572800), (16, 13483000), (20, 10786400), (25, 8629120), (32, 6741500), (40, 5393200), (50, 4314560), (64, 3370750), (80, 2696600), (97, 2224000), (100, 2157280), (125, 1725824), (128, 1685375), (139, 1552000), (160, 1348300), (194, 1112000), (200, 1078640), (250, 862912), (278, 776000), (320, 674150), (388, 556000), (400, 539320), (485, 444800), (500, 431456), (556, 388000), (640, 337075), (695, 310400), (776, 278000), (800, 269660), (970, 222400), (1000, 215728), (1112, 194000), (1390, 155200), (1552, 139000), (1600, 134830), (1940, 111200), (2000, 107864), (2224, 97000), (2425, 88960), (2780, 77600), (3104, 69500), (3200, 67415), (3475, 62080), (3880, 55600), (4000, 53932), (4448, 48500), (4850, 44480), (5560, 38800), (6208, 34750), (6950, 31040), (7760, 27800), (8000, 26966), (8896, 24250), (9700, 22240), (11120, 19400), (12125, 17792), (12416, 17375), (13483, 16000), (13900, 15520)]