1287942720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13831}}^1$

素因数の和:13948

約数の個数: 112

約数和(自身を含む): 4131673728

約数和(自身を除く): 2843731008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 160, 192, 194, 240, 291, 320, 388, 480, 485, 582, 776, 960, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3104, 3880, 4656, 5820, 6208, 7760, 9312, 11640, 13831, 15520, 18624, 23280, 27662, 31040, 41493, 46560, 55324, 69155, 82986, 93120, 110648, 138310, 165972, 207465, 221296, 276620, 331944, 414930, 442592, 553240, 663888, 829860, 885184, 1106480, 1327776, 1341607, 1659720, 2212960, 2655552, 2683214, 3319440, 4024821, 4425920, 5366428, 6638880, 6708035, 8049642, 10732856, 13277760, 13416070, 16099284, 20124105, 21465712, 26832140, 32198568, 40248210, 42931424, 53664280, 64397136, 80496420, 85862848, 107328560, 128794272, 160992840, 214657120, 257588544, 321985680, 429314240, 643971360, 1287942720]

約数ペア:

[(1, 1287942720), (2, 643971360), (3, 429314240), (4, 321985680), (5, 257588544), (6, 214657120), (8, 160992840), (10, 128794272), (12, 107328560), (15, 85862848), (16, 80496420), (20, 64397136), (24, 53664280), (30, 42931424), (32, 40248210), (40, 32198568), (48, 26832140), (60, 21465712), (64, 20124105), (80, 16099284), (96, 13416070), (97, 13277760), (120, 10732856), (160, 8049642), (192, 6708035), (194, 6638880), (240, 5366428), (291, 4425920), (320, 4024821), (388, 3319440), (480, 2683214), (485, 2655552), (582, 2212960), (776, 1659720), (960, 1341607), (970, 1327776), (1164, 1106480), (1455, 885184), (1552, 829860), (1940, 663888), (2328, 553240), (2910, 442592), (3104, 414930), (3880, 331944), (4656, 276620), (5820, 221296), (6208, 207465), (7760, 165972), (9312, 138310), (11640, 110648), (13831, 93120), (15520, 82986), (18624, 69155), (23280, 55324), (27662, 46560), (31040, 41493)]