20199031680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{108457}}^1$

素因数の和:108576

約数の個数: 128

約数和(自身を含む): 65048770080

約数和(自身を除く): 44849738400

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, 128, 160, 192, 194, 240, 291, 320, 384, 388, 480, 485, 582, 640, 776, 960, 970, 1164, 1455, 1552, 1920, 1940, 2328, 2910, 3104, 3880, 4656, 5820, 6208, 7760, 9312, 11640, 12416, 15520, 18624, 23280, 31040, 37248, 46560, 62080, 93120, 108457, 186240, 216914, 325371, 433828, 542285, 650742, 867656, 1084570, 1301484, 1626855, 1735312, 2169140, 2602968, 3253710, 3470624, 4338280, 5205936, 6507420, 6941248, 8676560, 10411872, 10520329, 13014840, 13882496, 17353120, 20823744, 21040658, 26029680, 31560987, 34706240, 41647488, 42081316, 52059360, 52601645, 63121974, 69412480, 84162632, 104118720, 105203290, 126243948, 157804935, 168325264, 208237440, 210406580, 252487896, 315609870, 336650528, 420813160, 504975792, 631219740, 673301056, 841626320, 1009951584, 1262439480, 1346602112, 1683252640, 2019903168, 2524878960, 3366505280, 4039806336, 5049757920, 6733010560, 10099515840, 20199031680]

約数ペア:

[(1, 20199031680), (2, 10099515840), (3, 6733010560), (4, 5049757920), (5, 4039806336), (6, 3366505280), (8, 2524878960), (10, 2019903168), (12, 1683252640), (15, 1346602112), (16, 1262439480), (20, 1009951584), (24, 841626320), (30, 673301056), (32, 631219740), (40, 504975792), (48, 420813160), (60, 336650528), (64, 315609870), (80, 252487896), (96, 210406580), (97, 208237440), (120, 168325264), (128, 157804935), (160, 126243948), (192, 105203290), (194, 104118720), (240, 84162632), (291, 69412480), (320, 63121974), (384, 52601645), (388, 52059360), (480, 42081316), (485, 41647488), (582, 34706240), (640, 31560987), (776, 26029680), (960, 21040658), (970, 20823744), (1164, 17353120), (1455, 13882496), (1552, 13014840), (1920, 10520329), (1940, 10411872), (2328, 8676560), (2910, 6941248), (3104, 6507420), (3880, 5205936), (4656, 4338280), (5820, 3470624), (6208, 3253710), (7760, 2602968), (9312, 2169140), (11640, 1735312), (12416, 1626855), (15520, 1301484), (18624, 1084570), (23280, 867656), (31040, 650742), (37248, 542285), (46560, 433828), (62080, 325371), (93120, 216914), (108457, 186240)]