90145458

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 236011776

約数和(自身を除く): 145866318

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 31, 34, 39, 43, 51, 62, 78, 86, 93, 102, 117, 129, 153, 186, 221, 234, 258, 279, 289, 306, 387, 403, 442, 527, 558, 559, 578, 663, 731, 774, 806, 867, 1054, 1118, 1209, 1326, 1333, 1462, 1581, 1677, 1734, 1989, 2193, 2418, 2601, 2666, 3162, 3354, 3627, 3757, 3978, 3999, 4386, 4743, 5031, 5202, 6579, 6851, 7254, 7514, 7998, 8959, 9486, 9503, 10062, 11271, 11997, 12427, 13158, 13702, 17329, 17918, 19006, 20553, 22542, 22661, 23994, 24854, 26877, 28509, 33813, 34658, 37281, 41106, 45322, 51987, 53754, 57018, 61659, 67626, 67983, 74562, 80631, 85527, 103974, 111843, 116467, 123318, 135966, 155961, 161262, 161551, 171054, 203949, 223686, 232934, 294593, 311922, 323102, 349401, 385237, 407898, 484653, 589186, 698802, 770474, 883779, 969306, 1048203, 1155711, 1453959, 1767558, 2096406, 2311422, 2651337, 2907918, 3467133, 5008081, 5302674, 6934266, 10016162, 15024243, 30048486, 45072729, 90145458]

約数ペア:

[(1, 90145458), (2, 45072729), (3, 30048486), (6, 15024243), (9, 10016162), (13, 6934266), (17, 5302674), (18, 5008081), (26, 3467133), (31, 2907918), (34, 2651337), (39, 2311422), (43, 2096406), (51, 1767558), (62, 1453959), (78, 1155711), (86, 1048203), (93, 969306), (102, 883779), (117, 770474), (129, 698802), (153, 589186), (186, 484653), (221, 407898), (234, 385237), (258, 349401), (279, 323102), (289, 311922), (306, 294593), (387, 232934), (403, 223686), (442, 203949), (527, 171054), (558, 161551), (559, 161262), (578, 155961), (663, 135966), (731, 123318), (774, 116467), (806, 111843), (867, 103974), (1054, 85527), (1118, 80631), (1209, 74562), (1326, 67983), (1333, 67626), (1462, 61659), (1581, 57018), (1677, 53754), (1734, 51987), (1989, 45322), (2193, 41106), (2418, 37281), (2601, 34658), (2666, 33813), (3162, 28509), (3354, 26877), (3627, 24854), (3757, 23994), (3978, 22661), (3999, 22542), (4386, 20553), (4743, 19006), (5031, 17918), (5202, 17329), (6579, 13702), (6851, 13158), (7254, 12427), (7514, 11997), (7998, 11271), (8959, 10062), (9486, 9503)]