681328000

素因数分解:

$2^7\times 5^3\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 1715313600

約数和(自身を除く): 1033985600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 125, 128, 160, 194, 200, 250, 320, 388, 400, 439, 485, 500, 640, 776, 800, 878, 970, 1000, 1552, 1600, 1756, 1940, 2000, 2195, 2425, 3104, 3200, 3512, 3880, 4000, 4390, 4850, 6208, 7024, 7760, 8000, 8780, 9700, 10975, 12125, 12416, 14048, 15520, 16000, 17560, 19400, 21950, 24250, 28096, 31040, 35120, 38800, 42583, 43900, 48500, 54875, 56192, 62080, 70240, 77600, 85166, 87800, 97000, 109750, 140480, 155200, 170332, 175600, 194000, 212915, 219500, 280960, 310400, 340664, 351200, 388000, 425830, 439000, 681328, 702400, 776000, 851660, 878000, 1064575, 1362656, 1404800, 1552000, 1703320, 1756000, 2129150, 2725312, 3406640, 3512000, 4258300, 5322875, 5450624, 6813280, 7024000, 8516600, 10645750, 13626560, 17033200, 21291500, 27253120, 34066400, 42583000, 68132800, 85166000, 136265600, 170332000, 340664000, 681328000]

約数ペア:

[(1, 681328000), (2, 340664000), (4, 170332000), (5, 136265600), (8, 85166000), (10, 68132800), (16, 42583000), (20, 34066400), (25, 27253120), (32, 21291500), (40, 17033200), (50, 13626560), (64, 10645750), (80, 8516600), (97, 7024000), (100, 6813280), (125, 5450624), (128, 5322875), (160, 4258300), (194, 3512000), (200, 3406640), (250, 2725312), (320, 2129150), (388, 1756000), (400, 1703320), (439, 1552000), (485, 1404800), (500, 1362656), (640, 1064575), (776, 878000), (800, 851660), (878, 776000), (970, 702400), (1000, 681328), (1552, 439000), (1600, 425830), (1756, 388000), (1940, 351200), (2000, 340664), (2195, 310400), (2425, 280960), (3104, 219500), (3200, 212915), (3512, 194000), (3880, 175600), (4000, 170332), (4390, 155200), (4850, 140480), (6208, 109750), (7024, 97000), (7760, 87800), (8000, 85166), (8780, 77600), (9700, 70240), (10975, 62080), (12125, 56192), (12416, 54875), (14048, 48500), (15520, 43900), (16000, 42583), (17560, 38800), (19400, 35120), (21950, 31040), (24250, 28096)]