1992640000

素因数分解:

$2^9\times 5^4\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:530

約数の個数: 200

約数和(自身を含む): 5369031360

約数和(自身を除く): 3376391360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 256, 260, 320, 325, 400, 416, 479, 500, 512, 520, 625, 640, 650, 800, 832, 958, 1000, 1040, 1250, 1280, 1300, 1600, 1625, 1664, 1916, 2000, 2080, 2395, 2500, 2560, 2600, 3200, 3250, 3328, 3832, 4000, 4160, 4790, 5000, 5200, 6227, 6400, 6500, 6656, 7664, 8000, 8125, 8320, 9580, 10000, 10400, 11975, 12454, 12800, 13000, 15328, 16000, 16250, 16640, 19160, 20000, 20800, 23950, 24908, 26000, 30656, 31135, 32000, 32500, 33280, 38320, 40000, 41600, 47900, 49816, 52000, 59875, 61312, 62270, 64000, 65000, 76640, 80000, 83200, 95800, 99632, 104000, 119750, 122624, 124540, 130000, 153280, 155675, 160000, 166400, 191600, 199264, 208000, 239500, 245248, 249080, 260000, 299375, 306560, 311350, 320000, 383200, 398528, 416000, 479000, 498160, 520000, 598750, 613120, 622700, 766400, 778375, 797056, 832000, 958000, 996320, 1040000, 1197500, 1226240, 1245400, 1532800, 1556750, 1594112, 1916000, 1992640, 2080000, 2395000, 2490800, 3065600, 3113500, 3188224, 3832000, 3891875, 3985280, 4160000, 4790000, 4981600, 6131200, 6227000, 7664000, 7783750, 7970560, 9580000, 9963200, 12454000, 15328000, 15567500, 15941120, 19160000, 19926400, 24908000, 30656000, 31135000, 38320000, 39852800, 49816000, 62270000, 76640000, 79705600, 99632000, 124540000, 153280000, 199264000, 249080000, 398528000, 498160000, 996320000, 1992640000]

約数ペア:

[(1, 1992640000), (2, 996320000), (4, 498160000), (5, 398528000), (8, 249080000), (10, 199264000), (13, 153280000), (16, 124540000), (20, 99632000), (25, 79705600), (26, 76640000), (32, 62270000), (40, 49816000), (50, 39852800), (52, 38320000), (64, 31135000), (65, 30656000), (80, 24908000), (100, 19926400), (104, 19160000), (125, 15941120), (128, 15567500), (130, 15328000), (160, 12454000), (200, 9963200), (208, 9580000), (250, 7970560), (256, 7783750), (260, 7664000), (320, 6227000), (325, 6131200), (400, 4981600), (416, 4790000), (479, 4160000), (500, 3985280), (512, 3891875), (520, 3832000), (625, 3188224), (640, 3113500), (650, 3065600), (800, 2490800), (832, 2395000), (958, 2080000), (1000, 1992640), (1040, 1916000), (1250, 1594112), (1280, 1556750), (1300, 1532800), (1600, 1245400), (1625, 1226240), (1664, 1197500), (1916, 1040000), (2000, 996320), (2080, 958000), (2395, 832000), (2500, 797056), (2560, 778375), (2600, 766400), (3200, 622700), (3250, 613120), (3328, 598750), (3832, 520000), (4000, 498160), (4160, 479000), (4790, 416000), (5000, 398528), (5200, 383200), (6227, 320000), (6400, 311350), (6500, 306560), (6656, 299375), (7664, 260000), (8000, 249080), (8125, 245248), (8320, 239500), (9580, 208000), (10000, 199264), (10400, 191600), (11975, 166400), (12454, 160000), (12800, 155675), (13000, 153280), (15328, 130000), (16000, 124540), (16250, 122624), (16640, 119750), (19160, 104000), (20000, 99632), (20800, 95800), (23950, 83200), (24908, 80000), (26000, 76640), (30656, 65000), (31135, 64000), (32000, 62270), (32500, 61312), (33280, 59875), (38320, 52000), (40000, 49816), (41600, 47900)]