1288976000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6197}}^1$

素因数の和:6239

約数の個数: 128

約数和(自身を含む): 3451790160

約数和(自身を除く): 2162814160

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, 260, 320, 325, 400, 416, 500, 520, 640, 650, 800, 832, 1000, 1040, 1300, 1600, 1625, 1664, 2000, 2080, 2600, 3200, 3250, 4000, 4160, 5200, 6197, 6500, 8000, 8320, 10400, 12394, 13000, 16000, 20800, 24788, 26000, 30985, 41600, 49576, 52000, 61970, 80561, 99152, 104000, 123940, 154925, 161122, 198304, 208000, 247880, 309850, 322244, 396608, 402805, 495760, 619700, 644488, 774625, 793216, 805610, 991520, 1239400, 1288976, 1549250, 1611220, 1983040, 2014025, 2478800, 2577952, 3098500, 3222440, 3966080, 4028050, 4957600, 5155904, 6197000, 6444880, 8056100, 9915200, 10070125, 10311808, 12394000, 12889760, 16112200, 19830400, 20140250, 24788000, 25779520, 32224400, 40280500, 49576000, 51559040, 64448800, 80561000, 99152000, 128897600, 161122000, 257795200, 322244000, 644488000, 1288976000]

約数ペア:

[(1, 1288976000), (2, 644488000), (4, 322244000), (5, 257795200), (8, 161122000), (10, 128897600), (13, 99152000), (16, 80561000), (20, 64448800), (25, 51559040), (26, 49576000), (32, 40280500), (40, 32224400), (50, 25779520), (52, 24788000), (64, 20140250), (65, 19830400), (80, 16112200), (100, 12889760), (104, 12394000), (125, 10311808), (128, 10070125), (130, 9915200), (160, 8056100), (200, 6444880), (208, 6197000), (250, 5155904), (260, 4957600), (320, 4028050), (325, 3966080), (400, 3222440), (416, 3098500), (500, 2577952), (520, 2478800), (640, 2014025), (650, 1983040), (800, 1611220), (832, 1549250), (1000, 1288976), (1040, 1239400), (1300, 991520), (1600, 805610), (1625, 793216), (1664, 774625), (2000, 644488), (2080, 619700), (2600, 495760), (3200, 402805), (3250, 396608), (4000, 322244), (4160, 309850), (5200, 247880), (6197, 208000), (6500, 198304), (8000, 161122), (8320, 154925), (10400, 123940), (12394, 104000), (13000, 99152), (16000, 80561), (20800, 61970), (24788, 52000), (26000, 49576), (30985, 41600)]