81612090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1541

約数の個数: 128

約数和(自身を含む): 257472000

約数和(自身を除く): 175859910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 54, 58, 63, 70, 87, 90, 105, 126, 135, 145, 174, 189, 203, 210, 261, 270, 290, 315, 378, 406, 435, 522, 609, 630, 783, 870, 945, 1015, 1218, 1305, 1489, 1566, 1827, 1890, 2030, 2610, 2978, 3045, 3654, 3915, 4467, 5481, 6090, 7445, 7830, 8934, 9135, 10423, 10962, 13401, 14890, 18270, 20846, 22335, 26802, 27405, 31269, 40203, 43181, 44670, 52115, 54810, 62538, 67005, 80406, 86362, 93807, 104230, 129543, 134010, 156345, 187614, 201015, 215905, 259086, 281421, 302267, 312690, 388629, 402030, 431810, 469035, 562842, 604534, 647715, 777258, 906801, 938070, 1165887, 1295430, 1407105, 1511335, 1813602, 1943145, 2331774, 2720403, 2814210, 3022670, 3886290, 4534005, 5440806, 5829435, 8161209, 9068010, 11658870, 13602015, 16322418, 27204030, 40806045, 81612090]

約数ペア:

[(1, 81612090), (2, 40806045), (3, 27204030), (5, 16322418), (6, 13602015), (7, 11658870), (9, 9068010), (10, 8161209), (14, 5829435), (15, 5440806), (18, 4534005), (21, 3886290), (27, 3022670), (29, 2814210), (30, 2720403), (35, 2331774), (42, 1943145), (45, 1813602), (54, 1511335), (58, 1407105), (63, 1295430), (70, 1165887), (87, 938070), (90, 906801), (105, 777258), (126, 647715), (135, 604534), (145, 562842), (174, 469035), (189, 431810), (203, 402030), (210, 388629), (261, 312690), (270, 302267), (290, 281421), (315, 259086), (378, 215905), (406, 201015), (435, 187614), (522, 156345), (609, 134010), (630, 129543), (783, 104230), (870, 93807), (945, 86362), (1015, 80406), (1218, 67005), (1305, 62538), (1489, 54810), (1566, 52115), (1827, 44670), (1890, 43181), (2030, 40203), (2610, 31269), (2978, 27405), (3045, 26802), (3654, 22335), (3915, 20846), (4467, 18270), (5481, 14890), (6090, 13401), (7445, 10962), (7830, 10423), (8934, 9135)]