281853180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{479}}^1$

素因数の和:968

約数の個数: 144

約数和(自身を含む): 981227520

約数和(自身を除く): 699374340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 467, 479, 630, 934, 958, 1260, 1401, 1437, 1868, 1916, 2335, 2395, 2802, 2874, 3269, 3353, 4203, 4311, 4670, 4790, 5604, 5748, 6538, 6706, 7005, 7185, 8406, 8622, 9340, 9580, 9807, 10059, 13076, 13412, 14010, 14370, 16345, 16765, 16812, 17244, 19614, 20118, 21015, 21555, 28020, 28740, 29421, 30177, 32690, 33530, 39228, 40236, 42030, 43110, 49035, 50295, 58842, 60354, 65380, 67060, 84060, 86220, 98070, 100590, 117684, 120708, 147105, 150885, 196140, 201180, 223693, 294210, 301770, 447386, 588420, 603540, 671079, 894772, 1118465, 1342158, 1565851, 2013237, 2236930, 2684316, 3131702, 3355395, 4026474, 4473860, 4697553, 6263404, 6710790, 7829255, 8052948, 9395106, 10066185, 13421580, 14092659, 15658510, 18790212, 20132370, 23487765, 28185318, 31317020, 40264740, 46975530, 56370636, 70463295, 93951060, 140926590, 281853180]

約数ペア:

[(1, 281853180), (2, 140926590), (3, 93951060), (4, 70463295), (5, 56370636), (6, 46975530), (7, 40264740), (9, 31317020), (10, 28185318), (12, 23487765), (14, 20132370), (15, 18790212), (18, 15658510), (20, 14092659), (21, 13421580), (28, 10066185), (30, 9395106), (35, 8052948), (36, 7829255), (42, 6710790), (45, 6263404), (60, 4697553), (63, 4473860), (70, 4026474), (84, 3355395), (90, 3131702), (105, 2684316), (126, 2236930), (140, 2013237), (180, 1565851), (210, 1342158), (252, 1118465), (315, 894772), (420, 671079), (467, 603540), (479, 588420), (630, 447386), (934, 301770), (958, 294210), (1260, 223693), (1401, 201180), (1437, 196140), (1868, 150885), (1916, 147105), (2335, 120708), (2395, 117684), (2802, 100590), (2874, 98070), (3269, 86220), (3353, 84060), (4203, 67060), (4311, 65380), (4670, 60354), (4790, 58842), (5604, 50295), (5748, 49035), (6538, 43110), (6706, 42030), (7005, 40236), (7185, 39228), (8406, 33530), (8622, 32690), (9340, 30177), (9580, 29421), (9807, 28740), (10059, 28020), (13076, 21555), (13412, 21015), (14010, 20118), (14370, 19614), (16345, 17244), (16765, 16812)]