280896840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{111467}}^1$

素因数の和:111491

約数の個数: 96

約数和(自身を含む): 1043340480

約数和(自身を除く): 762443640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 111467, 222934, 334401, 445868, 557335, 668802, 780269, 891736, 1003203, 1114670, 1337604, 1560538, 1672005, 2006406, 2229340, 2340807, 2675208, 3121076, 3344010, 3901345, 4012812, 4458680, 4681614, 5016015, 6242152, 6688020, 7022421, 7802690, 8025624, 9363228, 10032030, 11704035, 13376040, 14044842, 15605380, 18726456, 20064060, 23408070, 28089684, 31210760, 35112105, 40128120, 46816140, 56179368, 70224210, 93632280, 140448420, 280896840]

約数ペア:

[(1, 280896840), (2, 140448420), (3, 93632280), (4, 70224210), (5, 56179368), (6, 46816140), (7, 40128120), (8, 35112105), (9, 31210760), (10, 28089684), (12, 23408070), (14, 20064060), (15, 18726456), (18, 15605380), (20, 14044842), (21, 13376040), (24, 11704035), (28, 10032030), (30, 9363228), (35, 8025624), (36, 7802690), (40, 7022421), (42, 6688020), (45, 6242152), (56, 5016015), (60, 4681614), (63, 4458680), (70, 4012812), (72, 3901345), (84, 3344010), (90, 3121076), (105, 2675208), (120, 2340807), (126, 2229340), (140, 2006406), (168, 1672005), (180, 1560538), (210, 1337604), (252, 1114670), (280, 1003203), (315, 891736), (360, 780269), (420, 668802), (504, 557335), (630, 445868), (840, 334401), (1260, 222934), (2520, 111467)]