30631986

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 56459214

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 53, 54, 63, 66, 77, 99, 106, 126, 139, 154, 159, 189, 198, 231, 278, 297, 318, 371, 378, 417, 462, 477, 583, 594, 693, 742, 834, 954, 973, 1113, 1166, 1251, 1386, 1431, 1529, 1749, 1946, 2079, 2226, 2502, 2862, 2919, 3058, 3339, 3498, 3753, 4081, 4158, 4587, 5247, 5838, 6678, 7367, 7506, 8162, 8757, 9174, 10017, 10494, 10703, 12243, 13761, 14734, 15741, 17514, 20034, 21406, 22101, 24486, 26271, 27522, 31482, 32109, 36729, 41283, 44202, 51569, 52542, 64218, 66303, 73458, 81037, 82566, 96327, 103138, 110187, 132606, 154707, 162074, 192654, 198909, 220374, 243111, 288981, 309414, 397818, 464121, 486222, 567259, 577962, 729333, 928242, 1134518, 1392363, 1458666, 1701777, 2187999, 2784726, 3403554, 4375998, 5105331, 10210662, 15315993, 30631986]

約数ペア:

[(1, 30631986), (2, 15315993), (3, 10210662), (6, 5105331), (7, 4375998), (9, 3403554), (11, 2784726), (14, 2187999), (18, 1701777), (21, 1458666), (22, 1392363), (27, 1134518), (33, 928242), (42, 729333), (53, 577962), (54, 567259), (63, 486222), (66, 464121), (77, 397818), (99, 309414), (106, 288981), (126, 243111), (139, 220374), (154, 198909), (159, 192654), (189, 162074), (198, 154707), (231, 132606), (278, 110187), (297, 103138), (318, 96327), (371, 82566), (378, 81037), (417, 73458), (462, 66303), (477, 64218), (583, 52542), (594, 51569), (693, 44202), (742, 41283), (834, 36729), (954, 32109), (973, 31482), (1113, 27522), (1166, 26271), (1251, 24486), (1386, 22101), (1431, 21406), (1529, 20034), (1749, 17514), (1946, 15741), (2079, 14734), (2226, 13761), (2502, 12243), (2862, 10703), (2919, 10494), (3058, 10017), (3339, 9174), (3498, 8757), (3753, 8162), (4081, 7506), (4158, 7367), (4587, 6678), (5247, 5838)]