1520664840

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{17383}}^1$

素因数の和:17415

約数の個数: 128

約数和(自身を含む): 5131756800

約数和(自身を除く): 3611091960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2430, 2916, 3240, 3645, 4374, 4860, 5832, 7290, 8748, 9720, 10935, 14580, 17383, 17496, 21870, 29160, 34766, 43740, 52149, 69532, 86915, 87480, 104298, 139064, 156447, 173830, 208596, 260745, 312894, 347660, 417192, 469341, 521490, 625788, 695320, 782235, 938682, 1042980, 1251576, 1408023, 1564470, 1877364, 2085960, 2346705, 2816046, 3128940, 3754728, 4224069, 4693410, 5632092, 6257880, 7040115, 8448138, 9386820, 11264184, 12672207, 14080230, 16896276, 18773640, 21120345, 25344414, 28160460, 33792552, 38016621, 42240690, 50688828, 56320920, 63361035, 76033242, 84481380, 101377656, 126722070, 152066484, 168962760, 190083105, 253444140, 304132968, 380166210, 506888280, 760332420, 1520664840]

約数ペア:

[(1, 1520664840), (2, 760332420), (3, 506888280), (4, 380166210), (5, 304132968), (6, 253444140), (8, 190083105), (9, 168962760), (10, 152066484), (12, 126722070), (15, 101377656), (18, 84481380), (20, 76033242), (24, 63361035), (27, 56320920), (30, 50688828), (36, 42240690), (40, 38016621), (45, 33792552), (54, 28160460), (60, 25344414), (72, 21120345), (81, 18773640), (90, 16896276), (108, 14080230), (120, 12672207), (135, 11264184), (162, 9386820), (180, 8448138), (216, 7040115), (243, 6257880), (270, 5632092), (324, 4693410), (360, 4224069), (405, 3754728), (486, 3128940), (540, 2816046), (648, 2346705), (729, 2085960), (810, 1877364), (972, 1564470), (1080, 1408023), (1215, 1251576), (1458, 1042980), (1620, 938682), (1944, 782235), (2187, 695320), (2430, 625788), (2916, 521490), (3240, 469341), (3645, 417192), (4374, 347660), (4860, 312894), (5832, 260745), (7290, 208596), (8748, 173830), (9720, 156447), (10935, 139064), (14580, 104298), (17383, 87480), (17496, 86915), (21870, 69532), (29160, 52149), (34766, 43740)]